Home / 6,631.19-9,155.53-4,114.32

Finding the Fourth Proportional to 6,631.19, 9,155.53 and 4,114.32

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Solution

The fourth proportional to 6,631.19, 9,155.53 and 4,114.32 is: 5,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.19 : 9,155.53 = 4,114.32 : x
  2. Step 2: Convert to fraction form
    6,631.19/9,155.53 = 4,114.32/x
  3. Step 3: Cross multiply
    6,631.19x = 9,155.53 × 4,114.32
  4. Step 4: Simplify right side
    6,631.19x = 37,668,780.19
  5. Step 5: Solve for x
    x = 37,668,780.19/6,631.19
  6. Step 6: Final answer
    x = 5,680.55

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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.