Home / 8,195.04-11,314.55-7,309.31

Finding the Fourth Proportional to 8,195.04, 11,314.55 and 7,309.31

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Solution

The fourth proportional to 8,195.04, 11,314.55 and 7,309.31 is: 10,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.04 : 11,314.55 = 7,309.31 : x
  2. Step 2: Convert to fraction form
    8,195.04/11,314.55 = 7,309.31/x
  3. Step 3: Cross multiply
    8,195.04x = 11,314.55 × 7,309.31
  4. Step 4: Simplify right side
    8,195.04x = 82,701,515.16
  5. Step 5: Solve for x
    x = 82,701,515.16/8,195.04
  6. Step 6: Final answer
    x = 10,091.65

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Half scale
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Double scale
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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.