Home / 8,369.13-11,551.50-5,012.76

Finding the Fourth Proportional to 8,369.13, 11,551.50 and 5,012.76

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Solution

The fourth proportional to 8,369.13, 11,551.50 and 5,012.76 is: 6,918.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.13 : 11,551.50 = 5,012.76 : x
  2. Step 2: Convert to fraction form
    8,369.13/11,551.50 = 5,012.76/x
  3. Step 3: Cross multiply
    8,369.13x = 11,551.50 × 5,012.76
  4. Step 4: Simplify right side
    8,369.13x = 57,904,897.14
  5. Step 5: Solve for x
    x = 57,904,897.14/8,369.13
  6. Step 6: Final answer
    x = 6,918.87

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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.