Home / 8,482.20-11,705.57-5,124.56

Finding the Fourth Proportional to 8,482.20, 11,705.57 and 5,124.56

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Solution

The fourth proportional to 8,482.20, 11,705.57 and 5,124.56 is: 7,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,482.20 : 11,705.57 = 5,124.56 : x
  2. Step 2: Convert to fraction form
    8,482.20/11,705.57 = 5,124.56/x
  3. Step 3: Cross multiply
    8,482.20x = 11,705.57 × 5,124.56
  4. Step 4: Simplify right side
    8,482.20x = 59,985,811.65
  5. Step 5: Solve for x
    x = 59,985,811.65/8,482.20
  6. Step 6: Final answer
    x = 7,071.96

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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.