Home / 12,412.06-18,616.99-3,527.02

Finding the Fourth Proportional to 12,412.06, 18,616.99 and 3,527.02

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Solution

The fourth proportional to 12,412.06, 18,616.99 and 3,527.02 is: 5,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412.06 : 18,616.99 = 3,527.02 : x
  2. Step 2: Convert to fraction form
    12,412.06/18,616.99 = 3,527.02/x
  3. Step 3: Cross multiply
    12,412.06x = 18,616.99 × 3,527.02
  4. Step 4: Simplify right side
    12,412.06x = 65,662,464.78
  5. Step 5: Solve for x
    x = 65,662,464.78/12,412.06
  6. Step 6: Final answer
    x = 5,290.21

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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.