Home / 9,712.78-14,569.18-4,162.52

Finding the Fourth Proportional to 9,712.78, 14,569.18 and 4,162.52

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Solution

The fourth proportional to 9,712.78, 14,569.18 and 4,162.52 is: 6,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.78 : 14,569.18 = 4,162.52 : x
  2. Step 2: Convert to fraction form
    9,712.78/14,569.18 = 4,162.52/x
  3. Step 3: Cross multiply
    9,712.78x = 14,569.18 × 4,162.52
  4. Step 4: Simplify right side
    9,712.78x = 60,644,503.13
  5. Step 5: Solve for x
    x = 60,644,503.13/9,712.78
  6. Step 6: Final answer
    x = 6,243.78

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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.