Home / 7,898.67-11,823.35-5,821.02

Finding the Fourth Proportional to 7,898.67, 11,823.35 and 5,821.02

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Solution

The fourth proportional to 7,898.67, 11,823.35 and 5,821.02 is: 8,713.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.67 : 11,823.35 = 5,821.02 : x
  2. Step 2: Convert to fraction form
    7,898.67/11,823.35 = 5,821.02/x
  3. Step 3: Cross multiply
    7,898.67x = 11,823.35 × 5,821.02
  4. Step 4: Simplify right side
    7,898.67x = 68,823,927.71
  5. Step 5: Solve for x
    x = 68,823,927.71/7,898.67
  6. Step 6: Final answer
    x = 8,713.36

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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.