Home / 12,523.20-18,784.82-3,758.10

Finding the Fourth Proportional to 12,523.20, 18,784.82 and 3,758.10

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Solution

The fourth proportional to 12,523.20, 18,784.82 and 3,758.10 is: 5,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.20 : 18,784.82 = 3,758.10 : x
  2. Step 2: Convert to fraction form
    12,523.20/18,784.82 = 3,758.10/x
  3. Step 3: Cross multiply
    12,523.20x = 18,784.82 × 3,758.10
  4. Step 4: Simplify right side
    12,523.20x = 70,595,232.04
  5. Step 5: Solve for x
    x = 70,595,232.04/12,523.20
  6. Step 6: Final answer
    x = 5,637.16

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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.