Home / 9,247.28-12,760.24-5,470.58

Finding the Fourth Proportional to 9,247.28, 12,760.24 and 5,470.58

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Solution

The fourth proportional to 9,247.28, 12,760.24 and 5,470.58 is: 7,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.28 : 12,760.24 = 5,470.58 : x
  2. Step 2: Convert to fraction form
    9,247.28/12,760.24 = 5,470.58/x
  3. Step 3: Cross multiply
    9,247.28x = 12,760.24 × 5,470.58
  4. Step 4: Simplify right side
    9,247.28x = 69,805,913.74
  5. Step 5: Solve for x
    x = 69,805,913.74/9,247.28
  6. Step 6: Final answer
    x = 7,548.81

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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.