Home / 10,240.26-14,142.64-7,998.76

Finding the Fourth Proportional to 10,240.26, 14,142.64 and 7,998.76

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Solution

The fourth proportional to 10,240.26, 14,142.64 and 7,998.76 is: 11,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.26 : 14,142.64 = 7,998.76 : x
  2. Step 2: Convert to fraction form
    10,240.26/14,142.64 = 7,998.76/x
  3. Step 3: Cross multiply
    10,240.26x = 14,142.64 × 7,998.76
  4. Step 4: Simplify right side
    10,240.26x = 113,123,583.13
  5. Step 5: Solve for x
    x = 113,123,583.13/10,240.26
  6. Step 6: Final answer
    x = 11,046.94

Related Problems

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Half scale
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Double scale
Find fourth proportional to 10,241.26, 14,144.02 and 7,999.76
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.