Home / 12,822.88-19,222.92-5,037.12

Finding the Fourth Proportional to 12,822.88, 19,222.92 and 5,037.12

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Solution

The fourth proportional to 12,822.88, 19,222.92 and 5,037.12 is: 7,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822.88 : 19,222.92 = 5,037.12 : x
  2. Step 2: Convert to fraction form
    12,822.88/19,222.92 = 5,037.12/x
  3. Step 3: Cross multiply
    12,822.88x = 19,222.92 × 5,037.12
  4. Step 4: Simplify right side
    12,822.88x = 96,828,154.79
  5. Step 5: Solve for x
    x = 96,828,154.79/12,822.88
  6. Step 6: Final answer
    x = 7,551.20

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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.