Home / 8,193.87-11,307.55-4,657.76

Finding the Fourth Proportional to 8,193.87, 11,307.55 and 4,657.76

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Solution

The fourth proportional to 8,193.87, 11,307.55 and 4,657.76 is: 6,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193.87 : 11,307.55 = 4,657.76 : x
  2. Step 2: Convert to fraction form
    8,193.87/11,307.55 = 4,657.76/x
  3. Step 3: Cross multiply
    8,193.87x = 11,307.55 × 4,657.76
  4. Step 4: Simplify right side
    8,193.87x = 52,667,854.09
  5. Step 5: Solve for x
    x = 52,667,854.09/8,193.87
  6. Step 6: Final answer
    x = 6,427.71

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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.