Home / 8,721.93-12,034.26-5,894.58

Finding the Fourth Proportional to 8,721.93, 12,034.26 and 5,894.58

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Solution

The fourth proportional to 8,721.93, 12,034.26 and 5,894.58 is: 8,133.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.93 : 12,034.26 = 5,894.58 : x
  2. Step 2: Convert to fraction form
    8,721.93/12,034.26 = 5,894.58/x
  3. Step 3: Cross multiply
    8,721.93x = 12,034.26 × 5,894.58
  4. Step 4: Simplify right side
    8,721.93x = 70,936,908.31
  5. Step 5: Solve for x
    x = 70,936,908.31/8,721.93
  6. Step 6: Final answer
    x = 8,133.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.