Home / 12,568.36-17,342.41-7,262.15

Finding the Fourth Proportional to 12,568.36, 17,342.41 and 7,262.15

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Solution

The fourth proportional to 12,568.36, 17,342.41 and 7,262.15 is: 10,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.36 : 17,342.41 = 7,262.15 : x
  2. Step 2: Convert to fraction form
    12,568.36/17,342.41 = 7,262.15/x
  3. Step 3: Cross multiply
    12,568.36x = 17,342.41 × 7,262.15
  4. Step 4: Simplify right side
    12,568.36x = 125,943,146.47
  5. Step 5: Solve for x
    x = 125,943,146.47/12,568.36
  6. Step 6: Final answer
    x = 10,020.65

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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.