Home / 7,552.07-11,373.31-6,878.69

Finding the Fourth Proportional to 7,552.07, 11,373.31 and 6,878.69

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Solution

The fourth proportional to 7,552.07, 11,373.31 and 6,878.69 is: 10,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,552.07 : 11,373.31 = 6,878.69 : x
  2. Step 2: Convert to fraction form
    7,552.07/11,373.31 = 6,878.69/x
  3. Step 3: Cross multiply
    7,552.07x = 11,373.31 × 6,878.69
  4. Step 4: Simplify right side
    7,552.07x = 78,233,439.37
  5. Step 5: Solve for x
    x = 78,233,439.37/7,552.07
  6. Step 6: Final answer
    x = 10,359.20

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