Home / 8,202.75-11,320.40-4,667.10

Finding the Fourth Proportional to 8,202.75, 11,320.40 and 4,667.10

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Solution

The fourth proportional to 8,202.75, 11,320.40 and 4,667.10 is: 6,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.75 : 11,320.40 = 4,667.10 : x
  2. Step 2: Convert to fraction form
    8,202.75/11,320.40 = 4,667.10/x
  3. Step 3: Cross multiply
    8,202.75x = 11,320.40 × 4,667.10
  4. Step 4: Simplify right side
    8,202.75x = 52,833,438.84
  5. Step 5: Solve for x
    x = 52,833,438.84/8,202.75
  6. Step 6: Final answer
    x = 6,440.94

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Half scale
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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.