Home / 12,834.18-17,712.36-7,797.24

Finding the Fourth Proportional to 12,834.18, 17,712.36 and 7,797.24

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Solution

The fourth proportional to 12,834.18, 17,712.36 and 7,797.24 is: 10,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834.18 : 17,712.36 = 7,797.24 : x
  2. Step 2: Convert to fraction form
    12,834.18/17,712.36 = 7,797.24/x
  3. Step 3: Cross multiply
    12,834.18x = 17,712.36 × 7,797.24
  4. Step 4: Simplify right side
    12,834.18x = 138,107,521.89
  5. Step 5: Solve for x
    x = 138,107,521.89/12,834.18
  6. Step 6: Final answer
    x = 10,760.92

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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.