Home / 12,088.44-18,132.78-3,655.01

Finding the Fourth Proportional to 12,088.44, 18,132.78 and 3,655.01

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Solution

The fourth proportional to 12,088.44, 18,132.78 and 3,655.01 is: 5,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.44 : 18,132.78 = 3,655.01 : x
  2. Step 2: Convert to fraction form
    12,088.44/18,132.78 = 3,655.01/x
  3. Step 3: Cross multiply
    12,088.44x = 18,132.78 × 3,655.01
  4. Step 4: Simplify right side
    12,088.44x = 66,275,537.56
  5. Step 5: Solve for x
    x = 66,275,537.56/12,088.44
  6. Step 6: Final answer
    x = 5,482.56

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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.