Home / 9,021.30-12,455.54-5,882.95

Finding the Fourth Proportional to 9,021.30, 12,455.54 and 5,882.95

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Solution

The fourth proportional to 9,021.30, 12,455.54 and 5,882.95 is: 8,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.30 : 12,455.54 = 5,882.95 : x
  2. Step 2: Convert to fraction form
    9,021.30/12,455.54 = 5,882.95/x
  3. Step 3: Cross multiply
    9,021.30x = 12,455.54 × 5,882.95
  4. Step 4: Simplify right side
    9,021.30x = 73,275,319.04
  5. Step 5: Solve for x
    x = 73,275,319.04/9,021.30
  6. Step 6: Final answer
    x = 8,122.48

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