Home / 8,832.16-12,167.76-7,269.28

Finding the Fourth Proportional to 8,832.16, 12,167.76 and 7,269.28

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Solution

The fourth proportional to 8,832.16, 12,167.76 and 7,269.28 is: 10,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.16 : 12,167.76 = 7,269.28 : x
  2. Step 2: Convert to fraction form
    8,832.16/12,167.76 = 7,269.28/x
  3. Step 3: Cross multiply
    8,832.16x = 12,167.76 × 7,269.28
  4. Step 4: Simplify right side
    8,832.16x = 88,450,854.41
  5. Step 5: Solve for x
    x = 88,450,854.41/8,832.16
  6. Step 6: Final answer
    x = 10,014.63

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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.