Home / 10,712.66-16,041.30-7,391.15

Finding the Fourth Proportional to 10,712.66, 16,041.30 and 7,391.15

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Solution

The fourth proportional to 10,712.66, 16,041.30 and 7,391.15 is: 11,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.66 : 16,041.30 = 7,391.15 : x
  2. Step 2: Convert to fraction form
    10,712.66/16,041.30 = 7,391.15/x
  3. Step 3: Cross multiply
    10,712.66x = 16,041.30 × 7,391.15
  4. Step 4: Simplify right side
    10,712.66x = 118,563,654.50
  5. Step 5: Solve for x
    x = 118,563,654.50/10,712.66
  6. Step 6: Final answer
    x = 11,067.62

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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.