Home / 8,191.11-11,303.37-4,654.65

Finding the Fourth Proportional to 8,191.11, 11,303.37 and 4,654.65

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Solution

The fourth proportional to 8,191.11, 11,303.37 and 4,654.65 is: 6,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.11 : 11,303.37 = 4,654.65 : x
  2. Step 2: Convert to fraction form
    8,191.11/11,303.37 = 4,654.65/x
  3. Step 3: Cross multiply
    8,191.11x = 11,303.37 × 4,654.65
  4. Step 4: Simplify right side
    8,191.11x = 52,613,231.17
  5. Step 5: Solve for x
    x = 52,613,231.17/8,191.11
  6. Step 6: Final answer
    x = 6,423.21

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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.