Home / 10,132.28-13,979.95-6,153.46

Finding the Fourth Proportional to 10,132.28, 13,979.95 and 6,153.46

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Solution

The fourth proportional to 10,132.28, 13,979.95 and 6,153.46 is: 8,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.28 : 13,979.95 = 6,153.46 : x
  2. Step 2: Convert to fraction form
    10,132.28/13,979.95 = 6,153.46/x
  3. Step 3: Cross multiply
    10,132.28x = 13,979.95 × 6,153.46
  4. Step 4: Simplify right side
    10,132.28x = 86,025,063.13
  5. Step 5: Solve for x
    x = 86,025,063.13/10,132.28
  6. Step 6: Final answer
    x = 8,490.20

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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.