Home / 11,203.90-15,461.31-6,167.86

Finding the Fourth Proportional to 11,203.90, 15,461.31 and 6,167.86

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Solution

The fourth proportional to 11,203.90, 15,461.31 and 6,167.86 is: 8,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.90 : 15,461.31 = 6,167.86 : x
  2. Step 2: Convert to fraction form
    11,203.90/15,461.31 = 6,167.86/x
  3. Step 3: Cross multiply
    11,203.90x = 15,461.31 × 6,167.86
  4. Step 4: Simplify right side
    11,203.90x = 95,363,195.50
  5. Step 5: Solve for x
    x = 95,363,195.50/11,203.90
  6. Step 6: Final answer
    x = 8,511.61

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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.