Home / 9,173.38-12,659.42-4,981.63

Finding the Fourth Proportional to 9,173.38, 12,659.42 and 4,981.63

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Solution

The fourth proportional to 9,173.38, 12,659.42 and 4,981.63 is: 6,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.38 : 12,659.42 = 4,981.63 : x
  2. Step 2: Convert to fraction form
    9,173.38/12,659.42 = 4,981.63/x
  3. Step 3: Cross multiply
    9,173.38x = 12,659.42 × 4,981.63
  4. Step 4: Simplify right side
    9,173.38x = 63,064,458.25
  5. Step 5: Solve for x
    x = 63,064,458.25/9,173.38
  6. Step 6: Final answer
    x = 6,874.73

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Half scale
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Double scale
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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.