Home / 12,371.32-17,073.12-7,338.52

Finding the Fourth Proportional to 12,371.32, 17,073.12 and 7,338.52

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Solution

The fourth proportional to 12,371.32, 17,073.12 and 7,338.52 is: 10,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.32 : 17,073.12 = 7,338.52 : x
  2. Step 2: Convert to fraction form
    12,371.32/17,073.12 = 7,338.52/x
  3. Step 3: Cross multiply
    12,371.32x = 17,073.12 × 7,338.52
  4. Step 4: Simplify right side
    12,371.32x = 125,291,432.58
  5. Step 5: Solve for x
    x = 125,291,432.58/12,371.32
  6. Step 6: Final answer
    x = 10,127.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.