Home / 8,841.07-12,211.41-6,612.76

Finding the Fourth Proportional to 8,841.07, 12,211.41 and 6,612.76

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Solution

The fourth proportional to 8,841.07, 12,211.41 and 6,612.76 is: 9,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.07 : 12,211.41 = 6,612.76 : x
  2. Step 2: Convert to fraction form
    8,841.07/12,211.41 = 6,612.76/x
  3. Step 3: Cross multiply
    8,841.07x = 12,211.41 × 6,612.76
  4. Step 4: Simplify right side
    8,841.07x = 80,751,123.59
  5. Step 5: Solve for x
    x = 80,751,123.59/8,841.07
  6. Step 6: Final answer
    x = 9,133.64

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Half scale
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Double scale
Find fourth proportional to 8,842.07, 12,212.79 and 6,613.76
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.