Home / 12,724.76-19,089.14-6,151.41

Finding the Fourth Proportional to 12,724.76, 19,089.14 and 6,151.41

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Solution

The fourth proportional to 12,724.76, 19,089.14 and 6,151.41 is: 9,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.76 : 19,089.14 = 6,151.41 : x
  2. Step 2: Convert to fraction form
    12,724.76/19,089.14 = 6,151.41/x
  3. Step 3: Cross multiply
    12,724.76x = 19,089.14 × 6,151.41
  4. Step 4: Simplify right side
    12,724.76x = 117,425,095.93
  5. Step 5: Solve for x
    x = 117,425,095.93/12,724.76
  6. Step 6: Final answer
    x = 9,228.08

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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.