Home / 8,155.46-11,254.50-4,618.58

Finding the Fourth Proportional to 8,155.46, 11,254.50 and 4,618.58

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Solution

The fourth proportional to 8,155.46, 11,254.50 and 4,618.58 is: 6,373.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.46 : 11,254.50 = 4,618.58 : x
  2. Step 2: Convert to fraction form
    8,155.46/11,254.50 = 4,618.58/x
  3. Step 3: Cross multiply
    8,155.46x = 11,254.50 × 4,618.58
  4. Step 4: Simplify right side
    8,155.46x = 51,979,808.61
  5. Step 5: Solve for x
    x = 51,979,808.61/8,155.46
  6. Step 6: Final answer
    x = 6,373.62

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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.