Home / 8,467.43-12,701.76-2,920.70

Finding the Fourth Proportional to 8,467.43, 12,701.76 and 2,920.70

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Solution

The fourth proportional to 8,467.43, 12,701.76 and 2,920.70 is: 4,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.43 : 12,701.76 = 2,920.70 : x
  2. Step 2: Convert to fraction form
    8,467.43/12,701.76 = 2,920.70/x
  3. Step 3: Cross multiply
    8,467.43x = 12,701.76 × 2,920.70
  4. Step 4: Simplify right side
    8,467.43x = 37,098,030.43
  5. Step 5: Solve for x
    x = 37,098,030.43/8,467.43
  6. Step 6: Final answer
    x = 4,381.26

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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.