Home / 12,178.36-16,806.18-6,589.36

Finding the Fourth Proportional to 12,178.36, 16,806.18 and 6,589.36

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Solution

The fourth proportional to 12,178.36, 16,806.18 and 6,589.36 is: 9,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178.36 : 16,806.18 = 6,589.36 : x
  2. Step 2: Convert to fraction form
    12,178.36/16,806.18 = 6,589.36/x
  3. Step 3: Cross multiply
    12,178.36x = 16,806.18 × 6,589.36
  4. Step 4: Simplify right side
    12,178.36x = 110,741,970.24
  5. Step 5: Solve for x
    x = 110,741,970.24/12,178.36
  6. Step 6: Final answer
    x = 9,093.34

Related Problems

Find fourth proportional to 6,089.18, 8,403.09 and 3,294.68
Half scale
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Double scale
Find fourth proportional to 12,179.36, 16,807.56 and 6,590.36
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.