Home / 12,448.04-18,660.77-6,209.96

Finding the Fourth Proportional to 12,448.04, 18,660.77 and 6,209.96

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Solution

The fourth proportional to 12,448.04, 18,660.77 and 6,209.96 is: 9,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.04 : 18,660.77 = 6,209.96 : x
  2. Step 2: Convert to fraction form
    12,448.04/18,660.77 = 6,209.96/x
  3. Step 3: Cross multiply
    12,448.04x = 18,660.77 × 6,209.96
  4. Step 4: Simplify right side
    12,448.04x = 115,882,510.92
  5. Step 5: Solve for x
    x = 115,882,510.92/12,448.04
  6. Step 6: Final answer
    x = 9,309.30

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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.