Home / 11,685.92-16,132.24-7,501.28

Finding the Fourth Proportional to 11,685.92, 16,132.24 and 7,501.28

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Solution

The fourth proportional to 11,685.92, 16,132.24 and 7,501.28 is: 10,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.92 : 16,132.24 = 7,501.28 : x
  2. Step 2: Convert to fraction form
    11,685.92/16,132.24 = 7,501.28/x
  3. Step 3: Cross multiply
    11,685.92x = 16,132.24 × 7,501.28
  4. Step 4: Simplify right side
    11,685.92x = 121,012,449.27
  5. Step 5: Solve for x
    x = 121,012,449.27/11,685.92
  6. Step 6: Final answer
    x = 10,355.41

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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.