Home / 11,454.06-17,170.14-7,281.15

Finding the Fourth Proportional to 11,454.06, 17,170.14 and 7,281.15

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Solution

The fourth proportional to 11,454.06, 17,170.14 and 7,281.15 is: 10,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.06 : 17,170.14 = 7,281.15 : x
  2. Step 2: Convert to fraction form
    11,454.06/17,170.14 = 7,281.15/x
  3. Step 3: Cross multiply
    11,454.06x = 17,170.14 × 7,281.15
  4. Step 4: Simplify right side
    11,454.06x = 125,018,327.78
  5. Step 5: Solve for x
    x = 125,018,327.78/11,454.06
  6. Step 6: Final answer
    x = 10,914.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.