Home / 8,966.30-12,373.31-4,987.33

Finding the Fourth Proportional to 8,966.30, 12,373.31 and 4,987.33

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Solution

The fourth proportional to 8,966.30, 12,373.31 and 4,987.33 is: 6,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.30 : 12,373.31 = 4,987.33 : x
  2. Step 2: Convert to fraction form
    8,966.30/12,373.31 = 4,987.33/x
  3. Step 3: Cross multiply
    8,966.30x = 12,373.31 × 4,987.33
  4. Step 4: Simplify right side
    8,966.30x = 61,709,761.70
  5. Step 5: Solve for x
    x = 61,709,761.70/8,966.30
  6. Step 6: Final answer
    x = 6,882.41

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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.