Home / 12,144.26-18,210.30-5,900.36

Finding the Fourth Proportional to 12,144.26, 18,210.30 and 5,900.36

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Solution

The fourth proportional to 12,144.26, 18,210.30 and 5,900.36 is: 8,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144.26 : 18,210.30 = 5,900.36 : x
  2. Step 2: Convert to fraction form
    12,144.26/18,210.30 = 5,900.36/x
  3. Step 3: Cross multiply
    12,144.26x = 18,210.30 × 5,900.36
  4. Step 4: Simplify right side
    12,144.26x = 107,447,325.71
  5. Step 5: Solve for x
    x = 107,447,325.71/12,144.26
  6. Step 6: Final answer
    x = 8,847.58

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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.