Home / 8,758.44-12,084.46-5,618.88

Finding the Fourth Proportional to 8,758.44, 12,084.46 and 5,618.88

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Solution

The fourth proportional to 8,758.44, 12,084.46 and 5,618.88 is: 7,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.44 : 12,084.46 = 5,618.88 : x
  2. Step 2: Convert to fraction form
    8,758.44/12,084.46 = 5,618.88/x
  3. Step 3: Cross multiply
    8,758.44x = 12,084.46 × 5,618.88
  4. Step 4: Simplify right side
    8,758.44x = 67,901,130.60
  5. Step 5: Solve for x
    x = 67,901,130.60/8,758.44
  6. Step 6: Final answer
    x = 7,752.65

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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.