Home / 12,331.40-17,013.12-7,297.16

Finding the Fourth Proportional to 12,331.40, 17,013.12 and 7,297.16

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Solution

The fourth proportional to 12,331.40, 17,013.12 and 7,297.16 is: 10,067.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.40 : 17,013.12 = 7,297.16 : x
  2. Step 2: Convert to fraction form
    12,331.40/17,013.12 = 7,297.16/x
  3. Step 3: Cross multiply
    12,331.40x = 17,013.12 × 7,297.16
  4. Step 4: Simplify right side
    12,331.40x = 124,147,458.74
  5. Step 5: Solve for x
    x = 124,147,458.74/12,331.40
  6. Step 6: Final answer
    x = 10,067.59

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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.