Home / 8,569.33-11,827.59-5,211.43

Finding the Fourth Proportional to 8,569.33, 11,827.59 and 5,211.43

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Solution

The fourth proportional to 8,569.33, 11,827.59 and 5,211.43 is: 7,192.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.33 : 11,827.59 = 5,211.43 : x
  2. Step 2: Convert to fraction form
    8,569.33/11,827.59 = 5,211.43/x
  3. Step 3: Cross multiply
    8,569.33x = 11,827.59 × 5,211.43
  4. Step 4: Simplify right side
    8,569.33x = 61,638,657.35
  5. Step 5: Solve for x
    x = 61,638,657.35/8,569.33
  6. Step 6: Final answer
    x = 7,192.94

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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.