Home / 12,021.91-16,589.93-6,716.76

Finding the Fourth Proportional to 12,021.91, 16,589.93 and 6,716.76

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Solution

The fourth proportional to 12,021.91, 16,589.93 and 6,716.76 is: 9,268.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021.91 : 16,589.93 = 6,716.76 : x
  2. Step 2: Convert to fraction form
    12,021.91/16,589.93 = 6,716.76/x
  3. Step 3: Cross multiply
    12,021.91x = 16,589.93 × 6,716.76
  4. Step 4: Simplify right side
    12,021.91x = 111,430,578.23
  5. Step 5: Solve for x
    x = 111,430,578.23/12,021.91
  6. Step 6: Final answer
    x = 9,268.96

Related Problems

Find fourth proportional to 6,010.96, 8,294.97 and 3,358.38
Half scale
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Double scale
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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.