Home / 11,132.97-16,672.95-6,443.10

Finding the Fourth Proportional to 11,132.97, 16,672.95 and 6,443.10

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Solution

The fourth proportional to 11,132.97, 16,672.95 and 6,443.10 is: 9,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.97 : 16,672.95 = 6,443.10 : x
  2. Step 2: Convert to fraction form
    11,132.97/16,672.95 = 6,443.10/x
  3. Step 3: Cross multiply
    11,132.97x = 16,672.95 × 6,443.10
  4. Step 4: Simplify right side
    11,132.97x = 107,425,484.15
  5. Step 5: Solve for x
    x = 107,425,484.15/11,132.97
  6. Step 6: Final answer
    x = 9,649.31

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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.