Home / 8,369.98-11,531.57-6,475.04

Finding the Fourth Proportional to 8,369.98, 11,531.57 and 6,475.04

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Solution

The fourth proportional to 8,369.98, 11,531.57 and 6,475.04 is: 8,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.98 : 11,531.57 = 6,475.04 : x
  2. Step 2: Convert to fraction form
    8,369.98/11,531.57 = 6,475.04/x
  3. Step 3: Cross multiply
    8,369.98x = 11,531.57 × 6,475.04
  4. Step 4: Simplify right side
    8,369.98x = 74,667,330.22
  5. Step 5: Solve for x
    x = 74,667,330.22/8,369.98
  6. Step 6: Final answer
    x = 8,920.85

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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.