Home / 10,537.20-15,806.64-3,141.52

Finding the Fourth Proportional to 10,537.20, 15,806.64 and 3,141.52

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Solution

The fourth proportional to 10,537.20, 15,806.64 and 3,141.52 is: 4,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,537.20 : 15,806.64 = 3,141.52 : x
  2. Step 2: Convert to fraction form
    10,537.20/15,806.64 = 3,141.52/x
  3. Step 3: Cross multiply
    10,537.20x = 15,806.64 × 3,141.52
  4. Step 4: Simplify right side
    10,537.20x = 49,656,875.69
  5. Step 5: Solve for x
    x = 49,656,875.69/10,537.20
  6. Step 6: Final answer
    x = 4,712.53

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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.