Home / 10,238.38-15,353.04-4,695.22

Finding the Fourth Proportional to 10,238.38, 15,353.04 and 4,695.22

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Solution

The fourth proportional to 10,238.38, 15,353.04 and 4,695.22 is: 7,040.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.38 : 15,353.04 = 4,695.22 : x
  2. Step 2: Convert to fraction form
    10,238.38/15,353.04 = 4,695.22/x
  3. Step 3: Cross multiply
    10,238.38x = 15,353.04 × 4,695.22
  4. Step 4: Simplify right side
    10,238.38x = 72,085,900.47
  5. Step 5: Solve for x
    x = 72,085,900.47/10,238.38
  6. Step 6: Final answer
    x = 7,040.75

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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.