Home / 10,397.35-14,349.27-5,920.12

Finding the Fourth Proportional to 10,397.35, 14,349.27 and 5,920.12

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Solution

The fourth proportional to 10,397.35, 14,349.27 and 5,920.12 is: 8,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.35 : 14,349.27 = 5,920.12 : x
  2. Step 2: Convert to fraction form
    10,397.35/14,349.27 = 5,920.12/x
  3. Step 3: Cross multiply
    10,397.35x = 14,349.27 × 5,920.12
  4. Step 4: Simplify right side
    10,397.35x = 84,949,400.31
  5. Step 5: Solve for x
    x = 84,949,400.31/10,397.35
  6. Step 6: Final answer
    x = 8,170.29

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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.