Home / 8,905.14-13,355.28-3,060.18

Finding the Fourth Proportional to 8,905.14, 13,355.28 and 3,060.18

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Solution

The fourth proportional to 8,905.14, 13,355.28 and 3,060.18 is: 4,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.14 : 13,355.28 = 3,060.18 : x
  2. Step 2: Convert to fraction form
    8,905.14/13,355.28 = 3,060.18/x
  3. Step 3: Cross multiply
    8,905.14x = 13,355.28 × 3,060.18
  4. Step 4: Simplify right side
    8,905.14x = 40,869,560.75
  5. Step 5: Solve for x
    x = 40,869,560.75/8,905.14
  6. Step 6: Final answer
    x = 4,589.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.