Home / 10,222.76-15,334.14-3,298.28

Finding the Fourth Proportional to 10,222.76, 15,334.14 and 3,298.28

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Solution

The fourth proportional to 10,222.76, 15,334.14 and 3,298.28 is: 4,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.76 : 15,334.14 = 3,298.28 : x
  2. Step 2: Convert to fraction form
    10,222.76/15,334.14 = 3,298.28/x
  3. Step 3: Cross multiply
    10,222.76x = 15,334.14 × 3,298.28
  4. Step 4: Simplify right side
    10,222.76x = 50,576,287.28
  5. Step 5: Solve for x
    x = 50,576,287.28/10,222.76
  6. Step 6: Final answer
    x = 4,947.42

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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.