Home / 12,511.15-17,262.14-7,473.15

Finding the Fourth Proportional to 12,511.15, 17,262.14 and 7,473.15

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Solution

The fourth proportional to 12,511.15, 17,262.14 and 7,473.15 is: 10,311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.15 : 17,262.14 = 7,473.15 : x
  2. Step 2: Convert to fraction form
    12,511.15/17,262.14 = 7,473.15/x
  3. Step 3: Cross multiply
    12,511.15x = 17,262.14 × 7,473.15
  4. Step 4: Simplify right side
    12,511.15x = 129,002,561.54
  5. Step 5: Solve for x
    x = 129,002,561.54/12,511.15
  6. Step 6: Final answer
    x = 10,311.01

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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.