Home / 11,015.94-15,202.02-5,980.17

Finding the Fourth Proportional to 11,015.94, 15,202.02 and 5,980.17

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Solution

The fourth proportional to 11,015.94, 15,202.02 and 5,980.17 is: 8,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.94 : 15,202.02 = 5,980.17 : x
  2. Step 2: Convert to fraction form
    11,015.94/15,202.02 = 5,980.17/x
  3. Step 3: Cross multiply
    11,015.94x = 15,202.02 × 5,980.17
  4. Step 4: Simplify right side
    11,015.94x = 90,910,663.94
  5. Step 5: Solve for x
    x = 90,910,663.94/11,015.94
  6. Step 6: Final answer
    x = 8,252.65

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