Home / 8,719.17-12,032.61-5,363.88

Finding the Fourth Proportional to 8,719.17, 12,032.61 and 5,363.88

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Solution

The fourth proportional to 8,719.17, 12,032.61 and 5,363.88 is: 7,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.17 : 12,032.61 = 5,363.88 : x
  2. Step 2: Convert to fraction form
    8,719.17/12,032.61 = 5,363.88/x
  3. Step 3: Cross multiply
    8,719.17x = 12,032.61 × 5,363.88
  4. Step 4: Simplify right side
    8,719.17x = 64,541,476.13
  5. Step 5: Solve for x
    x = 64,541,476.13/8,719.17
  6. Step 6: Final answer
    x = 7,402.25

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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.