Home / 12,799.58-19,201.95-5,404.02

Finding the Fourth Proportional to 12,799.58, 19,201.95 and 5,404.02

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Solution

The fourth proportional to 12,799.58, 19,201.95 and 5,404.02 is: 8,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.58 : 19,201.95 = 5,404.02 : x
  2. Step 2: Convert to fraction form
    12,799.58/19,201.95 = 5,404.02/x
  3. Step 3: Cross multiply
    12,799.58x = 19,201.95 × 5,404.02
  4. Step 4: Simplify right side
    12,799.58x = 103,767,721.84
  5. Step 5: Solve for x
    x = 103,767,721.84/12,799.58
  6. Step 6: Final answer
    x = 8,107.12

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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.