Home / 12,118.93-16,723.90-6,741.34

Finding the Fourth Proportional to 12,118.93, 16,723.90 and 6,741.34

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Solution

The fourth proportional to 12,118.93, 16,723.90 and 6,741.34 is: 9,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,118.93 : 16,723.90 = 6,741.34 : x
  2. Step 2: Convert to fraction form
    12,118.93/16,723.90 = 6,741.34/x
  3. Step 3: Cross multiply
    12,118.93x = 16,723.90 × 6,741.34
  4. Step 4: Simplify right side
    12,118.93x = 112,741,437.36
  5. Step 5: Solve for x
    x = 112,741,437.36/12,118.93
  6. Step 6: Final answer
    x = 9,302.92

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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.