Home / 8,569.10-11,824.70-5,211.46

Finding the Fourth Proportional to 8,569.10, 11,824.70 and 5,211.46

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Solution

The fourth proportional to 8,569.10, 11,824.70 and 5,211.46 is: 7,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.10 : 11,824.70 = 5,211.46 : x
  2. Step 2: Convert to fraction form
    8,569.10/11,824.70 = 5,211.46/x
  3. Step 3: Cross multiply
    8,569.10x = 11,824.70 × 5,211.46
  4. Step 4: Simplify right side
    8,569.10x = 61,623,951.06
  5. Step 5: Solve for x
    x = 61,623,951.06/8,569.10
  6. Step 6: Final answer
    x = 7,191.41

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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.