Home / 12,484.14-18,721.62-5,084.58

Finding the Fourth Proportional to 12,484.14, 18,721.62 and 5,084.58

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Solution

The fourth proportional to 12,484.14, 18,721.62 and 5,084.58 is: 7,625.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.14 : 18,721.62 = 5,084.58 : x
  2. Step 2: Convert to fraction form
    12,484.14/18,721.62 = 5,084.58/x
  3. Step 3: Cross multiply
    12,484.14x = 18,721.62 × 5,084.58
  4. Step 4: Simplify right side
    12,484.14x = 95,191,574.62
  5. Step 5: Solve for x
    x = 95,191,574.62/12,484.14
  6. Step 6: Final answer
    x = 7,625.00

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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.