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Finding the Fourth Proportional to 8,995.32, 12,416.97 and 6,763.68

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Solution

The fourth proportional to 8,995.32, 12,416.97 and 6,763.68 is: 9,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.32 : 12,416.97 = 6,763.68 : x
  2. Step 2: Convert to fraction form
    8,995.32/12,416.97 = 6,763.68/x
  3. Step 3: Cross multiply
    8,995.32x = 12,416.97 × 6,763.68
  4. Step 4: Simplify right side
    8,995.32x = 83,984,411.65
  5. Step 5: Solve for x
    x = 83,984,411.65/8,995.32
  6. Step 6: Final answer
    x = 9,336.46

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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.