Home / 8,966.48-13,400.26-6,631.44

Finding the Fourth Proportional to 8,966.48, 13,400.26 and 6,631.44

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Solution

The fourth proportional to 8,966.48, 13,400.26 and 6,631.44 is: 9,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.48 : 13,400.26 = 6,631.44 : x
  2. Step 2: Convert to fraction form
    8,966.48/13,400.26 = 6,631.44/x
  3. Step 3: Cross multiply
    8,966.48x = 13,400.26 × 6,631.44
  4. Step 4: Simplify right side
    8,966.48x = 88,863,020.17
  5. Step 5: Solve for x
    x = 88,863,020.17/8,966.48
  6. Step 6: Final answer
    x = 9,910.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.