Home / 8,995.17-12,416.72-6,763.56

Finding the Fourth Proportional to 8,995.17, 12,416.72 and 6,763.56

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Solution

The fourth proportional to 8,995.17, 12,416.72 and 6,763.56 is: 9,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.17 : 12,416.72 = 6,763.56 : x
  2. Step 2: Convert to fraction form
    8,995.17/12,416.72 = 6,763.56/x
  3. Step 3: Cross multiply
    8,995.17x = 12,416.72 × 6,763.56
  4. Step 4: Simplify right side
    8,995.17x = 83,981,230.72
  5. Step 5: Solve for x
    x = 83,981,230.72/8,995.17
  6. Step 6: Final answer
    x = 9,336.26

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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.