Home / 9,995.68-13,794.32-5,519.84

Finding the Fourth Proportional to 9,995.68, 13,794.32 and 5,519.84

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Solution

The fourth proportional to 9,995.68, 13,794.32 and 5,519.84 is: 7,617.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.68 : 13,794.32 = 5,519.84 : x
  2. Step 2: Convert to fraction form
    9,995.68/13,794.32 = 5,519.84/x
  3. Step 3: Cross multiply
    9,995.68x = 13,794.32 × 5,519.84
  4. Step 4: Simplify right side
    9,995.68x = 76,142,439.31
  5. Step 5: Solve for x
    x = 76,142,439.31/9,995.68
  6. Step 6: Final answer
    x = 7,617.53

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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.