Home / 12,860.41-19,292.78-4,098.01

Finding the Fourth Proportional to 12,860.41, 19,292.78 and 4,098.01

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Solution

The fourth proportional to 12,860.41, 19,292.78 and 4,098.01 is: 6,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.41 : 19,292.78 = 4,098.01 : x
  2. Step 2: Convert to fraction form
    12,860.41/19,292.78 = 4,098.01/x
  3. Step 3: Cross multiply
    12,860.41x = 19,292.78 × 4,098.01
  4. Step 4: Simplify right side
    12,860.41x = 79,062,005.37
  5. Step 5: Solve for x
    x = 79,062,005.37/12,860.41
  6. Step 6: Final answer
    x = 6,147.70

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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.