Home / 8,923.98-12,310.96-6,272.92

Finding the Fourth Proportional to 8,923.98, 12,310.96 and 6,272.92

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Solution

The fourth proportional to 8,923.98, 12,310.96 and 6,272.92 is: 8,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.98 : 12,310.96 = 6,272.92 : x
  2. Step 2: Convert to fraction form
    8,923.98/12,310.96 = 6,272.92/x
  3. Step 3: Cross multiply
    8,923.98x = 12,310.96 × 6,272.92
  4. Step 4: Simplify right side
    8,923.98x = 77,225,667.20
  5. Step 5: Solve for x
    x = 77,225,667.20/8,923.98
  6. Step 6: Final answer
    x = 8,653.72

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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.