Home / 10,220.75-14,104.15-5,972.03

Finding the Fourth Proportional to 10,220.75, 14,104.15 and 5,972.03

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Solution

The fourth proportional to 10,220.75, 14,104.15 and 5,972.03 is: 8,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.75 : 14,104.15 = 5,972.03 : x
  2. Step 2: Convert to fraction form
    10,220.75/14,104.15 = 5,972.03/x
  3. Step 3: Cross multiply
    10,220.75x = 14,104.15 × 5,972.03
  4. Step 4: Simplify right side
    10,220.75x = 84,230,406.92
  5. Step 5: Solve for x
    x = 84,230,406.92/10,220.75
  6. Step 6: Final answer
    x = 8,241.12

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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.