Home / 12,737.22-17,577.51-7,072.08

Finding the Fourth Proportional to 12,737.22, 17,577.51 and 7,072.08

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Solution

The fourth proportional to 12,737.22, 17,577.51 and 7,072.08 is: 9,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.22 : 17,577.51 = 7,072.08 : x
  2. Step 2: Convert to fraction form
    12,737.22/17,577.51 = 7,072.08/x
  3. Step 3: Cross multiply
    12,737.22x = 17,577.51 × 7,072.08
  4. Step 4: Simplify right side
    12,737.22x = 124,309,556.92
  5. Step 5: Solve for x
    x = 124,309,556.92/12,737.22
  6. Step 6: Final answer
    x = 9,759.55

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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.