Home / 12,393.24-17,098.40-11,450.12

Finding the Fourth Proportional to 12,393.24, 17,098.40 and 11,450.12

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Solution

The fourth proportional to 12,393.24, 17,098.40 and 11,450.12 is: 15,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.24 : 17,098.40 = 11,450.12 : x
  2. Step 2: Convert to fraction form
    12,393.24/17,098.40 = 11,450.12/x
  3. Step 3: Cross multiply
    12,393.24x = 17,098.40 × 11,450.12
  4. Step 4: Simplify right side
    12,393.24x = 195,778,731.81
  5. Step 5: Solve for x
    x = 195,778,731.81/12,393.24
  6. Step 6: Final answer
    x = 15,797.22

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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.