Home / 11,042.39-15,234.62-6,261.63

Finding the Fourth Proportional to 11,042.39, 15,234.62 and 6,261.63

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Solution

The fourth proportional to 11,042.39, 15,234.62 and 6,261.63 is: 8,638.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.39 : 15,234.62 = 6,261.63 : x
  2. Step 2: Convert to fraction form
    11,042.39/15,234.62 = 6,261.63/x
  3. Step 3: Cross multiply
    11,042.39x = 15,234.62 × 6,261.63
  4. Step 4: Simplify right side
    11,042.39x = 95,393,522.32
  5. Step 5: Solve for x
    x = 95,393,522.32/11,042.39
  6. Step 6: Final answer
    x = 8,638.85

Related Problems

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Half scale
Find fourth proportional to 22,084.77, 30,469.23 and 12,523.26
Double scale
Find fourth proportional to 11,043.39, 15,235.99 and 6,262.63
Similar ratio
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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.