Home / 8,765.97-12,098.03-4,885.76

Finding the Fourth Proportional to 8,765.97, 12,098.03 and 4,885.76

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Solution

The fourth proportional to 8,765.97, 12,098.03 and 4,885.76 is: 6,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.97 : 12,098.03 = 4,885.76 : x
  2. Step 2: Convert to fraction form
    8,765.97/12,098.03 = 4,885.76/x
  3. Step 3: Cross multiply
    8,765.97x = 12,098.03 × 4,885.76
  4. Step 4: Simplify right side
    8,765.97x = 59,107,986.13
  5. Step 5: Solve for x
    x = 59,107,986.13/8,765.97
  6. Step 6: Final answer
    x = 6,742.89

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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.