Home / 7,523.38-10,380.78-4,727.26

Finding the Fourth Proportional to 7,523.38, 10,380.78 and 4,727.26

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Solution

The fourth proportional to 7,523.38, 10,380.78 and 4,727.26 is: 6,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.38 : 10,380.78 = 4,727.26 : x
  2. Step 2: Convert to fraction form
    7,523.38/10,380.78 = 4,727.26/x
  3. Step 3: Cross multiply
    7,523.38x = 10,380.78 × 4,727.26
  4. Step 4: Simplify right side
    7,523.38x = 49,072,646.06
  5. Step 5: Solve for x
    x = 49,072,646.06/7,523.38
  6. Step 6: Final answer
    x = 6,522.69

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Half 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.