Home / 8,155.05-11,254.02-4,618.95

Finding the Fourth Proportional to 8,155.05, 11,254.02 and 4,618.95

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Solution

The fourth proportional to 8,155.05, 11,254.02 and 4,618.95 is: 6,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.05 : 11,254.02 = 4,618.95 : x
  2. Step 2: Convert to fraction form
    8,155.05/11,254.02 = 4,618.95/x
  3. Step 3: Cross multiply
    8,155.05x = 11,254.02 × 4,618.95
  4. Step 4: Simplify right side
    8,155.05x = 51,981,755.68
  5. Step 5: Solve for x
    x = 51,981,755.68/8,155.05
  6. Step 6: Final answer
    x = 6,374.18

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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.