Home / 12,497.95-18,752.16-5,474.33

Finding the Fourth Proportional to 12,497.95, 18,752.16 and 5,474.33

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Solution

The fourth proportional to 12,497.95, 18,752.16 and 5,474.33 is: 8,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.95 : 18,752.16 = 5,474.33 : x
  2. Step 2: Convert to fraction form
    12,497.95/18,752.16 = 5,474.33/x
  3. Step 3: Cross multiply
    12,497.95x = 18,752.16 × 5,474.33
  4. Step 4: Simplify right side
    12,497.95x = 102,655,583.83
  5. Step 5: Solve for x
    x = 102,655,583.83/12,497.95
  6. Step 6: Final answer
    x = 8,213.80

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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.