Home / 8,905.68-12,288.86-4,926.14

Finding the Fourth Proportional to 8,905.68, 12,288.86 and 4,926.14

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Solution

The fourth proportional to 8,905.68, 12,288.86 and 4,926.14 is: 6,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.68 : 12,288.86 = 4,926.14 : x
  2. Step 2: Convert to fraction form
    8,905.68/12,288.86 = 4,926.14/x
  3. Step 3: Cross multiply
    8,905.68x = 12,288.86 × 4,926.14
  4. Step 4: Simplify right side
    8,905.68x = 60,536,644.80
  5. Step 5: Solve for x
    x = 60,536,644.80/8,905.68
  6. Step 6: Final answer
    x = 6,797.53

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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.