Home / 10,821.82-14,934.10-5,853.82

Finding the Fourth Proportional to 10,821.82, 14,934.10 and 5,853.82

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Solution

The fourth proportional to 10,821.82, 14,934.10 and 5,853.82 is: 8,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.82 : 14,934.10 = 5,853.82 : x
  2. Step 2: Convert to fraction form
    10,821.82/14,934.10 = 5,853.82/x
  3. Step 3: Cross multiply
    10,821.82x = 14,934.10 × 5,853.82
  4. Step 4: Simplify right side
    10,821.82x = 87,421,533.26
  5. Step 5: Solve for x
    x = 87,421,533.26/10,821.82
  6. Step 6: Final answer
    x = 8,078.27

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