Home / 9,078.04-13,611.13-3,816.41

Finding the Fourth Proportional to 9,078.04, 13,611.13 and 3,816.41

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Solution

The fourth proportional to 9,078.04, 13,611.13 and 3,816.41 is: 5,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.04 : 13,611.13 = 3,816.41 : x
  2. Step 2: Convert to fraction form
    9,078.04/13,611.13 = 3,816.41/x
  3. Step 3: Cross multiply
    9,078.04x = 13,611.13 × 3,816.41
  4. Step 4: Simplify right side
    9,078.04x = 51,945,652.64
  5. Step 5: Solve for x
    x = 51,945,652.64/9,078.04
  6. Step 6: Final answer
    x = 5,722.12

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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.