Home / 11,284.18-15,553.02-8,625.76

Finding the Fourth Proportional to 11,284.18, 15,553.02 and 8,625.76

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Solution

The fourth proportional to 11,284.18, 15,553.02 and 8,625.76 is: 11,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.18 : 15,553.02 = 8,625.76 : x
  2. Step 2: Convert to fraction form
    11,284.18/15,553.02 = 8,625.76/x
  3. Step 3: Cross multiply
    11,284.18x = 15,553.02 × 8,625.76
  4. Step 4: Simplify right side
    11,284.18x = 134,156,617.80
  5. Step 5: Solve for x
    x = 134,156,617.80/11,284.18
  6. Step 6: Final answer
    x = 11,888.91

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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.