Home / 12,151.24-18,232.15-4,259.43

Finding the Fourth Proportional to 12,151.24, 18,232.15 and 4,259.43

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Solution

The fourth proportional to 12,151.24, 18,232.15 and 4,259.43 is: 6,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.24 : 18,232.15 = 4,259.43 : x
  2. Step 2: Convert to fraction form
    12,151.24/18,232.15 = 4,259.43/x
  3. Step 3: Cross multiply
    12,151.24x = 18,232.15 × 4,259.43
  4. Step 4: Simplify right side
    12,151.24x = 77,658,556.03
  5. Step 5: Solve for x
    x = 77,658,556.03/12,151.24
  6. Step 6: Final answer
    x = 6,391.00

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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.