Home / 10,316.64-15,473.76-3,391.20

Finding the Fourth Proportional to 10,316.64, 15,473.76 and 3,391.20

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Solution

The fourth proportional to 10,316.64, 15,473.76 and 3,391.20 is: 5,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.64 : 15,473.76 = 3,391.20 : x
  2. Step 2: Convert to fraction form
    10,316.64/15,473.76 = 3,391.20/x
  3. Step 3: Cross multiply
    10,316.64x = 15,473.76 × 3,391.20
  4. Step 4: Simplify right side
    10,316.64x = 52,474,614.91
  5. Step 5: Solve for x
    x = 52,474,614.91/10,316.64
  6. Step 6: Final answer
    x = 5,086.41

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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.