Home / 12,460.23-18,690.39-3,695.22

Finding the Fourth Proportional to 12,460.23, 18,690.39 and 3,695.22

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Solution

The fourth proportional to 12,460.23, 18,690.39 and 3,695.22 is: 5,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.23 : 18,690.39 = 3,695.22 : x
  2. Step 2: Convert to fraction form
    12,460.23/18,690.39 = 3,695.22/x
  3. Step 3: Cross multiply
    12,460.23x = 18,690.39 × 3,695.22
  4. Step 4: Simplify right side
    12,460.23x = 69,065,102.94
  5. Step 5: Solve for x
    x = 69,065,102.94/12,460.23
  6. Step 6: Final answer
    x = 5,542.84

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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.