Home / 11,677.42-16,114.56-6,372.23

Finding the Fourth Proportional to 11,677.42, 16,114.56 and 6,372.23

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Solution

The fourth proportional to 11,677.42, 16,114.56 and 6,372.23 is: 8,793.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.42 : 16,114.56 = 6,372.23 : x
  2. Step 2: Convert to fraction form
    11,677.42/16,114.56 = 6,372.23/x
  3. Step 3: Cross multiply
    11,677.42x = 16,114.56 × 6,372.23
  4. Step 4: Simplify right side
    11,677.42x = 102,685,682.67
  5. Step 5: Solve for x
    x = 102,685,682.67/11,677.42
  6. Step 6: Final answer
    x = 8,793.53

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Half scale
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Double scale
Find fourth proportional to 11,678.42, 16,115.94 and 6,373.23
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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.