Home / 8,148.39-11,244.94-5,317.58

Finding the Fourth Proportional to 8,148.39, 11,244.94 and 5,317.58

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Solution

The fourth proportional to 8,148.39, 11,244.94 and 5,317.58 is: 7,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.39 : 11,244.94 = 5,317.58 : x
  2. Step 2: Convert to fraction form
    8,148.39/11,244.94 = 5,317.58/x
  3. Step 3: Cross multiply
    8,148.39x = 11,244.94 × 5,317.58
  4. Step 4: Simplify right side
    8,148.39x = 59,795,798.53
  5. Step 5: Solve for x
    x = 59,795,798.53/8,148.39
  6. Step 6: Final answer
    x = 7,338.36

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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.