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Finding the Fourth Proportional to 8,012.76, 11,044.44 and 6,241.32

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Solution

The fourth proportional to 8,012.76, 11,044.44 and 6,241.32 is: 8,602.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.76 : 11,044.44 = 6,241.32 : x
  2. Step 2: Convert to fraction form
    8,012.76/11,044.44 = 6,241.32/x
  3. Step 3: Cross multiply
    8,012.76x = 11,044.44 × 6,241.32
  4. Step 4: Simplify right side
    8,012.76x = 68,931,884.26
  5. Step 5: Solve for x
    x = 68,931,884.26/8,012.76
  6. Step 6: Final answer
    x = 8,602.76

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Half scale
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Double scale
Find fourth proportional to 8,013.76, 11,045.82 and 6,242.32
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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.