Home / 10,261.52-15,390.08-3,242.08

Finding the Fourth Proportional to 10,261.52, 15,390.08 and 3,242.08

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Solution

The fourth proportional to 10,261.52, 15,390.08 and 3,242.08 is: 4,862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.52 : 15,390.08 = 3,242.08 : x
  2. Step 2: Convert to fraction form
    10,261.52/15,390.08 = 3,242.08/x
  3. Step 3: Cross multiply
    10,261.52x = 15,390.08 × 3,242.08
  4. Step 4: Simplify right side
    10,261.52x = 49,895,870.57
  5. Step 5: Solve for x
    x = 49,895,870.57/10,261.52
  6. Step 6: Final answer
    x = 4,862.42

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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.