Home / 10,885.96-15,023.55-6,169.96

Finding the Fourth Proportional to 10,885.96, 15,023.55 and 6,169.96

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Solution

The fourth proportional to 10,885.96, 15,023.55 and 6,169.96 is: 8,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.96 : 15,023.55 = 6,169.96 : x
  2. Step 2: Convert to fraction form
    10,885.96/15,023.55 = 6,169.96/x
  3. Step 3: Cross multiply
    10,885.96x = 15,023.55 × 6,169.96
  4. Step 4: Simplify right side
    10,885.96x = 92,694,702.56
  5. Step 5: Solve for x
    x = 92,694,702.56/10,885.96
  6. Step 6: Final answer
    x = 8,515.07

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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.