Home / 8,966.57-12,373.56-4,987.85

Finding the Fourth Proportional to 8,966.57, 12,373.56 and 4,987.85

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Solution

The fourth proportional to 8,966.57, 12,373.56 and 4,987.85 is: 6,883.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.57 : 12,373.56 = 4,987.85 : x
  2. Step 2: Convert to fraction form
    8,966.57/12,373.56 = 4,987.85/x
  3. Step 3: Cross multiply
    8,966.57x = 12,373.56 × 4,987.85
  4. Step 4: Simplify right side
    8,966.57x = 61,717,399.38
  5. Step 5: Solve for x
    x = 61,717,399.38/8,966.57
  6. Step 6: Final answer
    x = 6,883.06

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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.