Home / 11,042.08-15,234.18-6,261.31

Finding the Fourth Proportional to 11,042.08, 15,234.18 and 6,261.31

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Solution

The fourth proportional to 11,042.08, 15,234.18 and 6,261.31 is: 8,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.08 : 15,234.18 = 6,261.31 : x
  2. Step 2: Convert to fraction form
    11,042.08/15,234.18 = 6,261.31/x
  3. Step 3: Cross multiply
    11,042.08x = 15,234.18 × 6,261.31
  4. Step 4: Simplify right side
    11,042.08x = 95,385,923.58
  5. Step 5: Solve for x
    x = 95,385,923.58/11,042.08
  6. Step 6: Final answer
    x = 8,638.40

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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.