Home / 10,720.60-16,046.34-5,519.32

Finding the Fourth Proportional to 10,720.60, 16,046.34 and 5,519.32

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Solution

The fourth proportional to 10,720.60, 16,046.34 and 5,519.32 is: 8,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720.60 : 16,046.34 = 5,519.32 : x
  2. Step 2: Convert to fraction form
    10,720.60/16,046.34 = 5,519.32/x
  3. Step 3: Cross multiply
    10,720.60x = 16,046.34 × 5,519.32
  4. Step 4: Simplify right side
    10,720.60x = 88,564,885.29
  5. Step 5: Solve for x
    x = 88,564,885.29/10,720.60
  6. Step 6: Final answer
    x = 8,261.19

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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.