Home / 10,219.44-15,329.50-7,996.22

Finding the Fourth Proportional to 10,219.44, 15,329.50 and 7,996.22

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Solution

The fourth proportional to 10,219.44, 15,329.50 and 7,996.22 is: 11,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.44 : 15,329.50 = 7,996.22 : x
  2. Step 2: Convert to fraction form
    10,219.44/15,329.50 = 7,996.22/x
  3. Step 3: Cross multiply
    10,219.44x = 15,329.50 × 7,996.22
  4. Step 4: Simplify right side
    10,219.44x = 122,578,060.32
  5. Step 5: Solve for x
    x = 122,578,060.32/10,219.44
  6. Step 6: Final answer
    x = 11,994.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.