Home / 8,951.07-12,354.72-5,176.44

Finding the Fourth Proportional to 8,951.07, 12,354.72 and 5,176.44

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Solution

The fourth proportional to 8,951.07, 12,354.72 and 5,176.44 is: 7,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.07 : 12,354.72 = 5,176.44 : x
  2. Step 2: Convert to fraction form
    8,951.07/12,354.72 = 5,176.44/x
  3. Step 3: Cross multiply
    8,951.07x = 12,354.72 × 5,176.44
  4. Step 4: Simplify right side
    8,951.07x = 63,953,466.80
  5. Step 5: Solve for x
    x = 63,953,466.80/8,951.07
  6. Step 6: Final answer
    x = 7,144.78

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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.