Home / 12,301.38-18,443.13-4,903.62

Finding the Fourth Proportional to 12,301.38, 18,443.13 and 4,903.62

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Solution

The fourth proportional to 12,301.38, 18,443.13 and 4,903.62 is: 7,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.38 : 18,443.13 = 4,903.62 : x
  2. Step 2: Convert to fraction form
    12,301.38/18,443.13 = 4,903.62/x
  3. Step 3: Cross multiply
    12,301.38x = 18,443.13 × 4,903.62
  4. Step 4: Simplify right side
    12,301.38x = 90,438,101.13
  5. Step 5: Solve for x
    x = 90,438,101.13/12,301.38
  6. Step 6: Final answer
    x = 7,351.87

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1.5x scale

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.