Home / 11,243.24-15,515.72-6,207.36

Finding the Fourth Proportional to 11,243.24, 15,515.72 and 6,207.36

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Solution

The fourth proportional to 11,243.24, 15,515.72 and 6,207.36 is: 8,566.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.24 : 15,515.72 = 6,207.36 : x
  2. Step 2: Convert to fraction form
    11,243.24/15,515.72 = 6,207.36/x
  3. Step 3: Cross multiply
    11,243.24x = 15,515.72 × 6,207.36
  4. Step 4: Simplify right side
    11,243.24x = 96,311,675.22
  5. Step 5: Solve for x
    x = 96,311,675.22/11,243.24
  6. Step 6: Final answer
    x = 8,566.19

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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.