Home / 9,947.41-13,727.07-5,470.88

Finding the Fourth Proportional to 9,947.41, 13,727.07 and 5,470.88

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Solution

The fourth proportional to 9,947.41, 13,727.07 and 5,470.88 is: 7,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.41 : 13,727.07 = 5,470.88 : x
  2. Step 2: Convert to fraction form
    9,947.41/13,727.07 = 5,470.88/x
  3. Step 3: Cross multiply
    9,947.41x = 13,727.07 × 5,470.88
  4. Step 4: Simplify right side
    9,947.41x = 75,099,084.09
  5. Step 5: Solve for x
    x = 75,099,084.09/9,947.41
  6. Step 6: Final answer
    x = 7,549.61

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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.