Home / 8,462.34-12,685.14-4,012.20

Finding the Fourth Proportional to 8,462.34, 12,685.14 and 4,012.20

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Solution

The fourth proportional to 8,462.34, 12,685.14 and 4,012.20 is: 6,014.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.34 : 12,685.14 = 4,012.20 : x
  2. Step 2: Convert to fraction form
    8,462.34/12,685.14 = 4,012.20/x
  3. Step 3: Cross multiply
    8,462.34x = 12,685.14 × 4,012.20
  4. Step 4: Simplify right side
    8,462.34x = 50,895,318.71
  5. Step 5: Solve for x
    x = 50,895,318.71/8,462.34
  6. Step 6: Final answer
    x = 6,014.33

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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.