Home / 11,262.14-15,531.66-7,279.08

Finding the Fourth Proportional to 11,262.14, 15,531.66 and 7,279.08

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Solution

The fourth proportional to 11,262.14, 15,531.66 and 7,279.08 is: 10,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.14 : 15,531.66 = 7,279.08 : x
  2. Step 2: Convert to fraction form
    11,262.14/15,531.66 = 7,279.08/x
  3. Step 3: Cross multiply
    11,262.14x = 15,531.66 × 7,279.08
  4. Step 4: Simplify right side
    11,262.14x = 113,056,195.67
  5. Step 5: Solve for x
    x = 113,056,195.67/11,262.14
  6. Step 6: Final answer
    x = 10,038.61

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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.