Home / 8,007.40-11,049.87-4,470.55

Finding the Fourth Proportional to 8,007.40, 11,049.87 and 4,470.55

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Solution

The fourth proportional to 8,007.40, 11,049.87 and 4,470.55 is: 6,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.40 : 11,049.87 = 4,470.55 : x
  2. Step 2: Convert to fraction form
    8,007.40/11,049.87 = 4,470.55/x
  3. Step 3: Cross multiply
    8,007.40x = 11,049.87 × 4,470.55
  4. Step 4: Simplify right side
    8,007.40x = 49,398,996.33
  5. Step 5: Solve for x
    x = 49,398,996.33/8,007.40
  6. Step 6: Final answer
    x = 6,169.17

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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.