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Finding the Fourth Proportional to 8,595.50, 11,866.11 and 8,077.10

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Solution

The fourth proportional to 8,595.50, 11,866.11 and 8,077.10 is: 11,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.50 : 11,866.11 = 8,077.10 : x
  2. Step 2: Convert to fraction form
    8,595.50/11,866.11 = 8,077.10/x
  3. Step 3: Cross multiply
    8,595.50x = 11,866.11 × 8,077.10
  4. Step 4: Simplify right side
    8,595.50x = 95,843,757.08
  5. Step 5: Solve for x
    x = 95,843,757.08/8,595.50
  6. Step 6: Final answer
    x = 11,150.46

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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.