Home / 12,497.37-18,725.28-8,791.83

Finding the Fourth Proportional to 12,497.37, 18,725.28 and 8,791.83

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Solution

The fourth proportional to 12,497.37, 18,725.28 and 8,791.83 is: 13,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.37 : 18,725.28 = 8,791.83 : x
  2. Step 2: Convert to fraction form
    12,497.37/18,725.28 = 8,791.83/x
  3. Step 3: Cross multiply
    12,497.37x = 18,725.28 × 8,791.83
  4. Step 4: Simplify right side
    12,497.37x = 164,629,478.46
  5. Step 5: Solve for x
    x = 164,629,478.46/12,497.37
  6. Step 6: Final answer
    x = 13,173.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.