Home / 8,585.18-12,876.75-2,260.70

Finding the Fourth Proportional to 8,585.18, 12,876.75 and 2,260.70

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Solution

The fourth proportional to 8,585.18, 12,876.75 and 2,260.70 is: 3,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.18 : 12,876.75 = 2,260.70 : x
  2. Step 2: Convert to fraction form
    8,585.18/12,876.75 = 2,260.70/x
  3. Step 3: Cross multiply
    8,585.18x = 12,876.75 × 2,260.70
  4. Step 4: Simplify right side
    8,585.18x = 29,110,468.73
  5. Step 5: Solve for x
    x = 29,110,468.73/8,585.18
  6. Step 6: Final answer
    x = 3,390.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.