Home / 10,802.76-16,194.42-7,517.40

Finding the Fourth Proportional to 10,802.76, 16,194.42 and 7,517.40

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Solution

The fourth proportional to 10,802.76, 16,194.42 and 7,517.40 is: 11,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.76 : 16,194.42 = 7,517.40 : x
  2. Step 2: Convert to fraction form
    10,802.76/16,194.42 = 7,517.40/x
  3. Step 3: Cross multiply
    10,802.76x = 16,194.42 × 7,517.40
  4. Step 4: Simplify right side
    10,802.76x = 121,739,932.91
  5. Step 5: Solve for x
    x = 121,739,932.91/10,802.76
  6. Step 6: Final answer
    x = 11,269.34

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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.