Home / 11,262.91-15,544.13-9,371.15

Finding the Fourth Proportional to 11,262.91, 15,544.13 and 9,371.15

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Solution

The fourth proportional to 11,262.91, 15,544.13 and 9,371.15 is: 12,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.91 : 15,544.13 = 9,371.15 : x
  2. Step 2: Convert to fraction form
    11,262.91/15,544.13 = 9,371.15/x
  3. Step 3: Cross multiply
    11,262.91x = 15,544.13 × 9,371.15
  4. Step 4: Simplify right side
    11,262.91x = 145,666,373.85
  5. Step 5: Solve for x
    x = 145,666,373.85/11,262.91
  6. Step 6: Final answer
    x = 12,933.28

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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.