Home / 11,243.12-15,515.10-6,207.23

Finding the Fourth Proportional to 11,243.12, 15,515.10 and 6,207.23

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Solution

The fourth proportional to 11,243.12, 15,515.10 and 6,207.23 is: 8,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.12 : 15,515.10 = 6,207.23 : x
  2. Step 2: Convert to fraction form
    11,243.12/15,515.10 = 6,207.23/x
  3. Step 3: Cross multiply
    11,243.12x = 15,515.10 × 6,207.23
  4. Step 4: Simplify right side
    11,243.12x = 96,305,794.17
  5. Step 5: Solve for x
    x = 96,305,794.17/11,243.12
  6. Step 6: Final answer
    x = 8,565.75

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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.