Home / 7,618.73-11,432.45-4,108.71

Finding the Fourth Proportional to 7,618.73, 11,432.45 and 4,108.71

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Solution

The fourth proportional to 7,618.73, 11,432.45 and 4,108.71 is: 6,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.73 : 11,432.45 = 4,108.71 : x
  2. Step 2: Convert to fraction form
    7,618.73/11,432.45 = 4,108.71/x
  3. Step 3: Cross multiply
    7,618.73x = 11,432.45 × 4,108.71
  4. Step 4: Simplify right side
    7,618.73x = 46,972,630.24
  5. Step 5: Solve for x
    x = 46,972,630.24/7,618.73
  6. Step 6: Final answer
    x = 6,165.42

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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.