Home / 8,281.65-11,428.57-4,504.73

Finding the Fourth Proportional to 8,281.65, 11,428.57 and 4,504.73

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Solution

The fourth proportional to 8,281.65, 11,428.57 and 4,504.73 is: 6,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.65 : 11,428.57 = 4,504.73 : x
  2. Step 2: Convert to fraction form
    8,281.65/11,428.57 = 4,504.73/x
  3. Step 3: Cross multiply
    8,281.65x = 11,428.57 × 4,504.73
  4. Step 4: Simplify right side
    8,281.65x = 51,482,609.57
  5. Step 5: Solve for x
    x = 51,482,609.57/8,281.65
  6. Step 6: Final answer
    x = 6,216.47

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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.