Home / 11,182.13-15,431.34-6,466.71

Finding the Fourth Proportional to 11,182.13, 15,431.34 and 6,466.71

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Solution

The fourth proportional to 11,182.13, 15,431.34 and 6,466.71 is: 8,924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.13 : 15,431.34 = 6,466.71 : x
  2. Step 2: Convert to fraction form
    11,182.13/15,431.34 = 6,466.71/x
  3. Step 3: Cross multiply
    11,182.13x = 15,431.34 × 6,466.71
  4. Step 4: Simplify right side
    11,182.13x = 99,790,000.69
  5. Step 5: Solve for x
    x = 99,790,000.69/11,182.13
  6. Step 6: Final answer
    x = 8,924.06

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Half scale
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Double scale
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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.