Home / 8,974.13-12,380.04-6,323.00

Finding the Fourth Proportional to 8,974.13, 12,380.04 and 6,323.00

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Solution

The fourth proportional to 8,974.13, 12,380.04 and 6,323.00 is: 8,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.13 : 12,380.04 = 6,323.00 : x
  2. Step 2: Convert to fraction form
    8,974.13/12,380.04 = 6,323.00/x
  3. Step 3: Cross multiply
    8,974.13x = 12,380.04 × 6,323.00
  4. Step 4: Simplify right side
    8,974.13x = 78,278,931.02
  5. Step 5: Solve for x
    x = 78,278,931.02/8,974.13
  6. Step 6: Final answer
    x = 8,722.74

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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.