Home / 10,888.28-16,332.36-3,962.78

Finding the Fourth Proportional to 10,888.28, 16,332.36 and 3,962.78

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Solution

The fourth proportional to 10,888.28, 16,332.36 and 3,962.78 is: 5,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.28 : 16,332.36 = 3,962.78 : x
  2. Step 2: Convert to fraction form
    10,888.28/16,332.36 = 3,962.78/x
  3. Step 3: Cross multiply
    10,888.28x = 16,332.36 × 3,962.78
  4. Step 4: Simplify right side
    10,888.28x = 64,721,549.56
  5. Step 5: Solve for x
    x = 64,721,549.56/10,888.28
  6. Step 6: Final answer
    x = 5,944.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.