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Finding the Fourth Proportional to 10,865.35, 14,994.63 and 6,674.95

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Solution

The fourth proportional to 10,865.35, 14,994.63 and 6,674.95 is: 9,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.35 : 14,994.63 = 6,674.95 : x
  2. Step 2: Convert to fraction form
    10,865.35/14,994.63 = 6,674.95/x
  3. Step 3: Cross multiply
    10,865.35x = 14,994.63 × 6,674.95
  4. Step 4: Simplify right side
    10,865.35x = 100,088,405.52
  5. Step 5: Solve for x
    x = 100,088,405.52/10,865.35
  6. Step 6: Final answer
    x = 9,211.71

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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.