Home / 8,475.26-12,702.46-6,143.26

Finding the Fourth Proportional to 8,475.26, 12,702.46 and 6,143.26

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Solution

The fourth proportional to 8,475.26, 12,702.46 and 6,143.26 is: 9,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.26 : 12,702.46 = 6,143.26 : x
  2. Step 2: Convert to fraction form
    8,475.26/12,702.46 = 6,143.26/x
  3. Step 3: Cross multiply
    8,475.26x = 12,702.46 × 6,143.26
  4. Step 4: Simplify right side
    8,475.26x = 78,034,514.42
  5. Step 5: Solve for x
    x = 78,034,514.42/8,475.26
  6. Step 6: Final answer
    x = 9,207.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.