Home / 9,280.96-13,919.96-2,705.61

Finding the Fourth Proportional to 9,280.96, 13,919.96 and 2,705.61

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Solution

The fourth proportional to 9,280.96, 13,919.96 and 2,705.61 is: 4,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.96 : 13,919.96 = 2,705.61 : x
  2. Step 2: Convert to fraction form
    9,280.96/13,919.96 = 2,705.61/x
  3. Step 3: Cross multiply
    9,280.96x = 13,919.96 × 2,705.61
  4. Step 4: Simplify right side
    9,280.96x = 37,661,989.74
  5. Step 5: Solve for x
    x = 37,661,989.74/9,280.96
  6. Step 6: Final answer
    x = 4,057.98

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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.