Home / 9,337.10-12,886.57-6,149.89

Finding the Fourth Proportional to 9,337.10, 12,886.57 and 6,149.89

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Solution

The fourth proportional to 9,337.10, 12,886.57 and 6,149.89 is: 8,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.10 : 12,886.57 = 6,149.89 : x
  2. Step 2: Convert to fraction form
    9,337.10/12,886.57 = 6,149.89/x
  3. Step 3: Cross multiply
    9,337.10x = 12,886.57 × 6,149.89
  4. Step 4: Simplify right side
    9,337.10x = 79,250,987.98
  5. Step 5: Solve for x
    x = 79,250,987.98/9,337.10
  6. Step 6: Final answer
    x = 8,487.75

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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.