Home / 12,568.10-17,340.09-7,260.98

Finding the Fourth Proportional to 12,568.10, 17,340.09 and 7,260.98

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Solution

The fourth proportional to 12,568.10, 17,340.09 and 7,260.98 is: 10,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.10 : 17,340.09 = 7,260.98 : x
  2. Step 2: Convert to fraction form
    12,568.10/17,340.09 = 7,260.98/x
  3. Step 3: Cross multiply
    12,568.10x = 17,340.09 × 7,260.98
  4. Step 4: Simplify right side
    12,568.10x = 125,906,046.69
  5. Step 5: Solve for x
    x = 125,906,046.69/12,568.10
  6. Step 6: Final answer
    x = 10,017.91

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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.