Home / 8,134.14-11,221.79-5,482.40

Finding the Fourth Proportional to 8,134.14, 11,221.79 and 5,482.40

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Solution

The fourth proportional to 8,134.14, 11,221.79 and 5,482.40 is: 7,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.14 : 11,221.79 = 5,482.40 : x
  2. Step 2: Convert to fraction form
    8,134.14/11,221.79 = 5,482.40/x
  3. Step 3: Cross multiply
    8,134.14x = 11,221.79 × 5,482.40
  4. Step 4: Simplify right side
    8,134.14x = 61,522,257.98
  5. Step 5: Solve for x
    x = 61,522,257.98/8,134.14
  6. Step 6: Final answer
    x = 7,563.46

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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.