Home / 7,788.06-11,681.46-1,944.66

Finding the Fourth Proportional to 7,788.06, 11,681.46 and 1,944.66

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Solution

The fourth proportional to 7,788.06, 11,681.46 and 1,944.66 is: 2,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,788.06 : 11,681.46 = 1,944.66 : x
  2. Step 2: Convert to fraction form
    7,788.06/11,681.46 = 1,944.66/x
  3. Step 3: Cross multiply
    7,788.06x = 11,681.46 × 1,944.66
  4. Step 4: Simplify right side
    7,788.06x = 22,716,468.00
  5. Step 5: Solve for x
    x = 22,716,468.00/7,788.06
  6. Step 6: Final answer
    x = 2,916.83

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.