Home / 8,419.50-11,618.07-4,882.32

Finding the Fourth Proportional to 8,419.50, 11,618.07 and 4,882.32

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Solution

The fourth proportional to 8,419.50, 11,618.07 and 4,882.32 is: 6,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.50 : 11,618.07 = 4,882.32 : x
  2. Step 2: Convert to fraction form
    8,419.50/11,618.07 = 4,882.32/x
  3. Step 3: Cross multiply
    8,419.50x = 11,618.07 × 4,882.32
  4. Step 4: Simplify right side
    8,419.50x = 56,723,135.52
  5. Step 5: Solve for x
    x = 56,723,135.52/8,419.50
  6. Step 6: Final answer
    x = 6,737.11

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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.