Home / 11,904.80-17,844.40-4,506.40

Finding the Fourth Proportional to 11,904.80, 17,844.40 and 4,506.40

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Solution

The fourth proportional to 11,904.80, 17,844.40 and 4,506.40 is: 6,754.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.80 : 17,844.40 = 4,506.40 : x
  2. Step 2: Convert to fraction form
    11,904.80/17,844.40 = 4,506.40/x
  3. Step 3: Cross multiply
    11,904.80x = 17,844.40 × 4,506.40
  4. Step 4: Simplify right side
    11,904.80x = 80,414,004.16
  5. Step 5: Solve for x
    x = 80,414,004.16/11,904.80
  6. Step 6: Final answer
    x = 6,754.75

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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.