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Finding the Fourth Proportional to 11,360.66, 15,676.16 and 6,324.21

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Solution

The fourth proportional to 11,360.66, 15,676.16 and 6,324.21 is: 8,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.66 : 15,676.16 = 6,324.21 : x
  2. Step 2: Convert to fraction form
    11,360.66/15,676.16 = 6,324.21/x
  3. Step 3: Cross multiply
    11,360.66x = 15,676.16 × 6,324.21
  4. Step 4: Simplify right side
    11,360.66x = 99,139,296.21
  5. Step 5: Solve for x
    x = 99,139,296.21/11,360.66
  6. Step 6: Final answer
    x = 8,726.55

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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.