Home / 12,544.14-17,310.90-7,238.95

Finding the Fourth Proportional to 12,544.14, 17,310.90 and 7,238.95

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Solution

The fourth proportional to 12,544.14, 17,310.90 and 7,238.95 is: 9,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.14 : 17,310.90 = 7,238.95 : x
  2. Step 2: Convert to fraction form
    12,544.14/17,310.90 = 7,238.95/x
  3. Step 3: Cross multiply
    12,544.14x = 17,310.90 × 7,238.95
  4. Step 4: Simplify right side
    12,544.14x = 125,312,739.56
  5. Step 5: Solve for x
    x = 125,312,739.56/12,544.14
  6. Step 6: Final answer
    x = 9,989.74

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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.