Home / 8,587.54-11,851.68-5,051.89

Finding the Fourth Proportional to 8,587.54, 11,851.68 and 5,051.89

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Solution

The fourth proportional to 8,587.54, 11,851.68 and 5,051.89 is: 6,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.54 : 11,851.68 = 5,051.89 : x
  2. Step 2: Convert to fraction form
    8,587.54/11,851.68 = 5,051.89/x
  3. Step 3: Cross multiply
    8,587.54x = 11,851.68 × 5,051.89
  4. Step 4: Simplify right side
    8,587.54x = 59,873,383.68
  5. Step 5: Solve for x
    x = 59,873,383.68/8,587.54
  6. Step 6: Final answer
    x = 6,972.12

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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.