Home / 12,568.74-17,343.56-7,265.26

Finding the Fourth Proportional to 12,568.74, 17,343.56 and 7,265.26

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Solution

The fourth proportional to 12,568.74, 17,343.56 and 7,265.26 is: 10,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.74 : 17,343.56 = 7,265.26 : x
  2. Step 2: Convert to fraction form
    12,568.74/17,343.56 = 7,265.26/x
  3. Step 3: Cross multiply
    12,568.74x = 17,343.56 × 7,265.26
  4. Step 4: Simplify right side
    12,568.74x = 126,005,472.73
  5. Step 5: Solve for x
    x = 126,005,472.73/12,568.74
  6. Step 6: Final answer
    x = 10,025.31

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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.