Home / 13,046.68-19,572.36-6,121

Finding the Fourth Proportional to 13,046.68, 19,572.36 and 6,121

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Solution

The fourth proportional to 13,046.68, 19,572.36 and 6,121 is: 9,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.68 : 19,572.36 = 6,121 : x
  2. Step 2: Convert to fraction form
    13,046.68/19,572.36 = 6,121/x
  3. Step 3: Cross multiply
    13,046.68x = 19,572.36 × 6,121
  4. Step 4: Simplify right side
    13,046.68x = 119,802,415.56
  5. Step 5: Solve for x
    x = 119,802,415.56/13,046.68
  6. Step 6: Final answer
    x = 9,182.60

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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.