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Finding the Fourth Proportional to 8,994.83, 12,416.28 and 6,763.18

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Solution

The fourth proportional to 8,994.83, 12,416.28 and 6,763.18 is: 9,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.83 : 12,416.28 = 6,763.18 : x
  2. Step 2: Convert to fraction form
    8,994.83/12,416.28 = 6,763.18/x
  3. Step 3: Cross multiply
    8,994.83x = 12,416.28 × 6,763.18
  4. Step 4: Simplify right side
    8,994.83x = 83,973,502.75
  5. Step 5: Solve for x
    x = 83,973,502.75/8,994.83
  6. Step 6: Final answer
    x = 9,335.76

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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.