Home / 11,002.17-15,188.90-8,497.25

Finding the Fourth Proportional to 11,002.17, 15,188.90 and 8,497.25

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Solution

The fourth proportional to 11,002.17, 15,188.90 and 8,497.25 is: 11,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.17 : 15,188.90 = 8,497.25 : x
  2. Step 2: Convert to fraction form
    11,002.17/15,188.90 = 8,497.25/x
  3. Step 3: Cross multiply
    11,002.17x = 15,188.90 × 8,497.25
  4. Step 4: Simplify right side
    11,002.17x = 129,063,880.53
  5. Step 5: Solve for x
    x = 129,063,880.53/11,002.17
  6. Step 6: Final answer
    x = 11,730.77

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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.