Home / 11,948.61-17,925.20-5,709.12

Finding the Fourth Proportional to 11,948.61, 17,925.20 and 5,709.12

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Solution

The fourth proportional to 11,948.61, 17,925.20 and 5,709.12 is: 8,564.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.61 : 17,925.20 = 5,709.12 : x
  2. Step 2: Convert to fraction form
    11,948.61/17,925.20 = 5,709.12/x
  3. Step 3: Cross multiply
    11,948.61x = 17,925.20 × 5,709.12
  4. Step 4: Simplify right side
    11,948.61x = 102,337,043.47
  5. Step 5: Solve for x
    x = 102,337,043.47/11,948.61
  6. Step 6: Final answer
    x = 8,564.76

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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.