Home / 10,957.34-15,120.99-6,241.61

Finding the Fourth Proportional to 10,957.34, 15,120.99 and 6,241.61

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Solution

The fourth proportional to 10,957.34, 15,120.99 and 6,241.61 is: 8,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.34 : 15,120.99 = 6,241.61 : x
  2. Step 2: Convert to fraction form
    10,957.34/15,120.99 = 6,241.61/x
  3. Step 3: Cross multiply
    10,957.34x = 15,120.99 × 6,241.61
  4. Step 4: Simplify right side
    10,957.34x = 94,379,246.79
  5. Step 5: Solve for x
    x = 94,379,246.79/10,957.34
  6. Step 6: Final answer
    x = 8,613.34

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Half scale
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Double scale
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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.