Home / 12,500.75-17,252.55-7,195.45

Finding the Fourth Proportional to 12,500.75, 17,252.55 and 7,195.45

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Solution

The fourth proportional to 12,500.75, 17,252.55 and 7,195.45 is: 9,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.75 : 17,252.55 = 7,195.45 : x
  2. Step 2: Convert to fraction form
    12,500.75/17,252.55 = 7,195.45/x
  3. Step 3: Cross multiply
    12,500.75x = 17,252.55 × 7,195.45
  4. Step 4: Simplify right side
    12,500.75x = 124,139,860.90
  5. Step 5: Solve for x
    x = 124,139,860.90/12,500.75
  6. Step 6: Final answer
    x = 9,930.60

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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.