Home / 8,155.68-11,253.96-4,618.32

Finding the Fourth Proportional to 8,155.68, 11,253.96 and 4,618.32

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Solution

The fourth proportional to 8,155.68, 11,253.96 and 4,618.32 is: 6,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.68 : 11,253.96 = 4,618.32 : x
  2. Step 2: Convert to fraction form
    8,155.68/11,253.96 = 4,618.32/x
  3. Step 3: Cross multiply
    8,155.68x = 11,253.96 × 4,618.32
  4. Step 4: Simplify right side
    8,155.68x = 51,974,388.55
  5. Step 5: Solve for x
    x = 51,974,388.55/8,155.68
  6. Step 6: Final answer
    x = 6,372.78

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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.