Home / 6,651.14-9,980.08-4,431.49

Finding the Fourth Proportional to 6,651.14, 9,980.08 and 4,431.49

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Solution

The fourth proportional to 6,651.14, 9,980.08 and 4,431.49 is: 6,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.14 : 9,980.08 = 4,431.49 : x
  2. Step 2: Convert to fraction form
    6,651.14/9,980.08 = 4,431.49/x
  3. Step 3: Cross multiply
    6,651.14x = 9,980.08 × 4,431.49
  4. Step 4: Simplify right side
    6,651.14x = 44,226,624.72
  5. Step 5: Solve for x
    x = 44,226,624.72/6,651.14
  6. Step 6: Final answer
    x = 6,649.48

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