Home / 12,529.88-18,792.76-3,763.24

Finding the Fourth Proportional to 12,529.88, 18,792.76 and 3,763.24

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Solution

The fourth proportional to 12,529.88, 18,792.76 and 3,763.24 is: 5,644.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.88 : 18,792.76 = 3,763.24 : x
  2. Step 2: Convert to fraction form
    12,529.88/18,792.76 = 3,763.24/x
  3. Step 3: Cross multiply
    12,529.88x = 18,792.76 × 3,763.24
  4. Step 4: Simplify right side
    12,529.88x = 70,721,666.14
  5. Step 5: Solve for x
    x = 70,721,666.14/12,529.88
  6. Step 6: Final answer
    x = 5,644.24

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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.