Home / 10,462.72-15,686.40-5,847.04

Finding the Fourth Proportional to 10,462.72, 15,686.40 and 5,847.04

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Solution

The fourth proportional to 10,462.72, 15,686.40 and 5,847.04 is: 8,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,462.72 : 15,686.40 = 5,847.04 : x
  2. Step 2: Convert to fraction form
    10,462.72/15,686.40 = 5,847.04/x
  3. Step 3: Cross multiply
    10,462.72x = 15,686.40 × 5,847.04
  4. Step 4: Simplify right side
    10,462.72x = 91,719,008.26
  5. Step 5: Solve for x
    x = 91,719,008.26/10,462.72
  6. Step 6: Final answer
    x = 8,766.27

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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.