Home / 8,905.94-13,369.26-5,210.82

Finding the Fourth Proportional to 8,905.94, 13,369.26 and 5,210.82

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Solution

The fourth proportional to 8,905.94, 13,369.26 and 5,210.82 is: 7,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.94 : 13,369.26 = 5,210.82 : x
  2. Step 2: Convert to fraction form
    8,905.94/13,369.26 = 5,210.82/x
  3. Step 3: Cross multiply
    8,905.94x = 13,369.26 × 5,210.82
  4. Step 4: Simplify right side
    8,905.94x = 69,664,812.28
  5. Step 5: Solve for x
    x = 69,664,812.28/8,905.94
  6. Step 6: Final answer
    x = 7,822.29

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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.