Home / 11,243.15-15,514.75-6,206.57

Finding the Fourth Proportional to 11,243.15, 15,514.75 and 6,206.57

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Solution

The fourth proportional to 11,243.15, 15,514.75 and 6,206.57 is: 8,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.15 : 15,514.75 = 6,206.57 : x
  2. Step 2: Convert to fraction form
    11,243.15/15,514.75 = 6,206.57/x
  3. Step 3: Cross multiply
    11,243.15x = 15,514.75 × 6,206.57
  4. Step 4: Simplify right side
    11,243.15x = 96,293,381.91
  5. Step 5: Solve for x
    x = 96,293,381.91/11,243.15
  6. Step 6: Final answer
    x = 8,564.63

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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.