Home / 11,512.32-15,874.50-10,006.92

Finding the Fourth Proportional to 11,512.32, 15,874.50 and 10,006.92

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Solution

The fourth proportional to 11,512.32, 15,874.50 and 10,006.92 is: 13,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.32 : 15,874.50 = 10,006.92 : x
  2. Step 2: Convert to fraction form
    11,512.32/15,874.50 = 10,006.92/x
  3. Step 3: Cross multiply
    11,512.32x = 15,874.50 × 10,006.92
  4. Step 4: Simplify right side
    11,512.32x = 158,854,851.54
  5. Step 5: Solve for x
    x = 158,854,851.54/11,512.32
  6. Step 6: Final answer
    x = 13,798.68

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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.