Home / 10,238.70-15,348.31-4,002.71

Finding the Fourth Proportional to 10,238.70, 15,348.31 and 4,002.71

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Solution

The fourth proportional to 10,238.70, 15,348.31 and 4,002.71 is: 6,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.70 : 15,348.31 = 4,002.71 : x
  2. Step 2: Convert to fraction form
    10,238.70/15,348.31 = 4,002.71/x
  3. Step 3: Cross multiply
    10,238.70x = 15,348.31 × 4,002.71
  4. Step 4: Simplify right side
    10,238.70x = 61,434,767.19
  5. Step 5: Solve for x
    x = 61,434,767.19/10,238.70
  6. Step 6: Final answer
    x = 6,000.25

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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.