Home / 8,022.12-11,072.34-5,222.76

Finding the Fourth Proportional to 8,022.12, 11,072.34 and 5,222.76

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Solution

The fourth proportional to 8,022.12, 11,072.34 and 5,222.76 is: 7,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.12 : 11,072.34 = 5,222.76 : x
  2. Step 2: Convert to fraction form
    8,022.12/11,072.34 = 5,222.76/x
  3. Step 3: Cross multiply
    8,022.12x = 11,072.34 × 5,222.76
  4. Step 4: Simplify right side
    8,022.12x = 57,828,174.46
  5. Step 5: Solve for x
    x = 57,828,174.46/8,022.12
  6. Step 6: Final answer
    x = 7,208.59

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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.