Home / 7,122.46-10,682.85-4,482.18

Finding the Fourth Proportional to 7,122.46, 10,682.85 and 4,482.18

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Solution

The fourth proportional to 7,122.46, 10,682.85 and 4,482.18 is: 6,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.46 : 10,682.85 = 4,482.18 : x
  2. Step 2: Convert to fraction form
    7,122.46/10,682.85 = 4,482.18/x
  3. Step 3: Cross multiply
    7,122.46x = 10,682.85 × 4,482.18
  4. Step 4: Simplify right side
    7,122.46x = 47,882,456.61
  5. Step 5: Solve for x
    x = 47,882,456.61/7,122.46
  6. Step 6: Final answer
    x = 6,722.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.