Home / 8,357.38-11,532.78-4,821.73

Finding the Fourth Proportional to 8,357.38, 11,532.78 and 4,821.73

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Solution

The fourth proportional to 8,357.38, 11,532.78 and 4,821.73 is: 6,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.38 : 11,532.78 = 4,821.73 : x
  2. Step 2: Convert to fraction form
    8,357.38/11,532.78 = 4,821.73/x
  3. Step 3: Cross multiply
    8,357.38x = 11,532.78 × 4,821.73
  4. Step 4: Simplify right side
    8,357.38x = 55,607,922.48
  5. Step 5: Solve for x
    x = 55,607,922.48/8,357.38
  6. Step 6: Final answer
    x = 6,653.75

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Half scale
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Double scale
Find fourth proportional to 8,358.38, 11,534.16 and 4,822.73
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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.