Home / 12,816.24-17,684.29-8,560.48

Finding the Fourth Proportional to 12,816.24, 17,684.29 and 8,560.48

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Solution

The fourth proportional to 12,816.24, 17,684.29 and 8,560.48 is: 11,812.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816.24 : 17,684.29 = 8,560.48 : x
  2. Step 2: Convert to fraction form
    12,816.24/17,684.29 = 8,560.48/x
  3. Step 3: Cross multiply
    12,816.24x = 17,684.29 × 8,560.48
  4. Step 4: Simplify right side
    12,816.24x = 151,385,922.44
  5. Step 5: Solve for x
    x = 151,385,922.44/12,816.24
  6. Step 6: Final answer
    x = 11,812.04

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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.