Home / 11,059.11-15,262.22-8,328.77

Finding the Fourth Proportional to 11,059.11, 15,262.22 and 8,328.77

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Solution

The fourth proportional to 11,059.11, 15,262.22 and 8,328.77 is: 11,494.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.11 : 15,262.22 = 8,328.77 : x
  2. Step 2: Convert to fraction form
    11,059.11/15,262.22 = 8,328.77/x
  3. Step 3: Cross multiply
    11,059.11x = 15,262.22 × 8,328.77
  4. Step 4: Simplify right side
    11,059.11x = 127,115,402.11
  5. Step 5: Solve for x
    x = 127,115,402.11/11,059.11
  6. Step 6: Final answer
    x = 11,494.18

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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.