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Finding the Fourth Proportional to 11,640.69, 16,064.10 and 6,335.46

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Solution

The fourth proportional to 11,640.69, 16,064.10 and 6,335.46 is: 8,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.69 : 16,064.10 = 6,335.46 : x
  2. Step 2: Convert to fraction form
    11,640.69/16,064.10 = 6,335.46/x
  3. Step 3: Cross multiply
    11,640.69x = 16,064.10 × 6,335.46
  4. Step 4: Simplify right side
    11,640.69x = 101,773,462.99
  5. Step 5: Solve for x
    x = 101,773,462.99/11,640.69
  6. Step 6: Final answer
    x = 8,742.91

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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.