Home / 11,240.34-15,512.10-6,204.78

Finding the Fourth Proportional to 11,240.34, 15,512.10 and 6,204.78

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Solution

The fourth proportional to 11,240.34, 15,512.10 and 6,204.78 is: 8,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.34 : 15,512.10 = 6,204.78 : x
  2. Step 2: Convert to fraction form
    11,240.34/15,512.10 = 6,204.78/x
  3. Step 3: Cross multiply
    11,240.34x = 15,512.10 × 6,204.78
  4. Step 4: Simplify right side
    11,240.34x = 96,249,167.84
  5. Step 5: Solve for x
    x = 96,249,167.84/11,240.34
  6. Step 6: Final answer
    x = 8,562.83

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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.