Home / 10,281.20-15,424.20-3,708.08

Finding the Fourth Proportional to 10,281.20, 15,424.20 and 3,708.08

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Solution

The fourth proportional to 10,281.20, 15,424.20 and 3,708.08 is: 5,562.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.20 : 15,424.20 = 3,708.08 : x
  2. Step 2: Convert to fraction form
    10,281.20/15,424.20 = 3,708.08/x
  3. Step 3: Cross multiply
    10,281.20x = 15,424.20 × 3,708.08
  4. Step 4: Simplify right side
    10,281.20x = 57,194,167.54
  5. Step 5: Solve for x
    x = 57,194,167.54/10,281.20
  6. Step 6: Final answer
    x = 5,562.99

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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.