Home / 8,787.78-13,186.53-3,593.25

Finding the Fourth Proportional to 8,787.78, 13,186.53 and 3,593.25

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Solution

The fourth proportional to 8,787.78, 13,186.53 and 3,593.25 is: 5,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.78 : 13,186.53 = 3,593.25 : x
  2. Step 2: Convert to fraction form
    8,787.78/13,186.53 = 3,593.25/x
  3. Step 3: Cross multiply
    8,787.78x = 13,186.53 × 3,593.25
  4. Step 4: Simplify right side
    8,787.78x = 47,382,498.92
  5. Step 5: Solve for x
    x = 47,382,498.92/8,787.78
  6. Step 6: Final answer
    x = 5,391.86

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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.