Home / 9,142.22-13,713.33-2,216.72

Finding the Fourth Proportional to 9,142.22, 13,713.33 and 2,216.72

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Solution

The fourth proportional to 9,142.22, 13,713.33 and 2,216.72 is: 3,325.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.22 : 13,713.33 = 2,216.72 : x
  2. Step 2: Convert to fraction form
    9,142.22/13,713.33 = 2,216.72/x
  3. Step 3: Cross multiply
    9,142.22x = 13,713.33 × 2,216.72
  4. Step 4: Simplify right side
    9,142.22x = 30,398,647.16
  5. Step 5: Solve for x
    x = 30,398,647.16/9,142.22
  6. Step 6: Final answer
    x = 3,325.08

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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.