Home / 8,467.31-11,690.54-5,281.88

Finding the Fourth Proportional to 8,467.31, 11,690.54 and 5,281.88

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Solution

The fourth proportional to 8,467.31, 11,690.54 and 5,281.88 is: 7,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.31 : 11,690.54 = 5,281.88 : x
  2. Step 2: Convert to fraction form
    8,467.31/11,690.54 = 5,281.88/x
  3. Step 3: Cross multiply
    8,467.31x = 11,690.54 × 5,281.88
  4. Step 4: Simplify right side
    8,467.31x = 61,748,029.42
  5. Step 5: Solve for x
    x = 61,748,029.42/8,467.31
  6. Step 6: Final answer
    x = 7,292.52

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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.