Home / 8,106.68-11,187.34-4,962.87

Finding the Fourth Proportional to 8,106.68, 11,187.34 and 4,962.87

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Solution

The fourth proportional to 8,106.68, 11,187.34 and 4,962.87 is: 6,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.68 : 11,187.34 = 4,962.87 : x
  2. Step 2: Convert to fraction form
    8,106.68/11,187.34 = 4,962.87/x
  3. Step 3: Cross multiply
    8,106.68x = 11,187.34 × 4,962.87
  4. Step 4: Simplify right side
    8,106.68x = 55,521,301.66
  5. Step 5: Solve for x
    x = 55,521,301.66/8,106.68
  6. Step 6: Final answer
    x = 6,848.83

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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.