Home / 10,399.38-15,599.06-3,473.88

Finding the Fourth Proportional to 10,399.38, 15,599.06 and 3,473.88

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Solution

The fourth proportional to 10,399.38, 15,599.06 and 3,473.88 is: 5,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.38 : 15,599.06 = 3,473.88 : x
  2. Step 2: Convert to fraction form
    10,399.38/15,599.06 = 3,473.88/x
  3. Step 3: Cross multiply
    10,399.38x = 15,599.06 × 3,473.88
  4. Step 4: Simplify right side
    10,399.38x = 54,189,262.55
  5. Step 5: Solve for x
    x = 54,189,262.55/10,399.38
  6. Step 6: Final answer
    x = 5,210.82

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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.