Home / 7,665.80-10,578.66-4,832.60

Finding the Fourth Proportional to 7,665.80, 10,578.66 and 4,832.60

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Solution

The fourth proportional to 7,665.80, 10,578.66 and 4,832.60 is: 6,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.80 : 10,578.66 = 4,832.60 : x
  2. Step 2: Convert to fraction form
    7,665.80/10,578.66 = 4,832.60/x
  3. Step 3: Cross multiply
    7,665.80x = 10,578.66 × 4,832.60
  4. Step 4: Simplify right side
    7,665.80x = 51,122,432.32
  5. Step 5: Solve for x
    x = 51,122,432.32/7,665.80
  6. Step 6: Final answer
    x = 6,668.90

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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.