Home / 8,971.31-13,458.33-4,587.29

Finding the Fourth Proportional to 8,971.31, 13,458.33 and 4,587.29

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Solution

The fourth proportional to 8,971.31, 13,458.33 and 4,587.29 is: 6,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.31 : 13,458.33 = 4,587.29 : x
  2. Step 2: Convert to fraction form
    8,971.31/13,458.33 = 4,587.29/x
  3. Step 3: Cross multiply
    8,971.31x = 13,458.33 × 4,587.29
  4. Step 4: Simplify right side
    8,971.31x = 61,737,195.33
  5. Step 5: Solve for x
    x = 61,737,195.33/8,971.31
  6. Step 6: Final answer
    x = 6,881.63

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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.