Home / 8,443.38-11,652.45-4,907.70

Finding the Fourth Proportional to 8,443.38, 11,652.45 and 4,907.70

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Solution

The fourth proportional to 8,443.38, 11,652.45 and 4,907.70 is: 6,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.38 : 11,652.45 = 4,907.70 : x
  2. Step 2: Convert to fraction form
    8,443.38/11,652.45 = 4,907.70/x
  3. Step 3: Cross multiply
    8,443.38x = 11,652.45 × 4,907.70
  4. Step 4: Simplify right side
    8,443.38x = 57,186,728.87
  5. Step 5: Solve for x
    x = 57,186,728.87/8,443.38
  6. Step 6: Final answer
    x = 6,772.97

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