Home / 11,025.99-15,211.87-7,251.19

Finding the Fourth Proportional to 11,025.99, 15,211.87 and 7,251.19

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Solution

The fourth proportional to 11,025.99, 15,211.87 and 7,251.19 is: 10,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.99 : 15,211.87 = 7,251.19 : x
  2. Step 2: Convert to fraction form
    11,025.99/15,211.87 = 7,251.19/x
  3. Step 3: Cross multiply
    11,025.99x = 15,211.87 × 7,251.19
  4. Step 4: Simplify right side
    11,025.99x = 110,304,103.47
  5. Step 5: Solve for x
    x = 110,304,103.47/11,025.99
  6. Step 6: Final answer
    x = 10,004.01

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Half scale
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Double scale
Find fourth proportional to 11,026.99, 15,213.25 and 7,252.19
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.