Home / 10,311-15,467.10-2,916.04

Finding the Fourth Proportional to 10,311, 15,467.10 and 2,916.04

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Solution

The fourth proportional to 10,311, 15,467.10 and 2,916.04 is: 4,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311 : 15,467.10 = 2,916.04 : x
  2. Step 2: Convert to fraction form
    10,311/15,467.10 = 2,916.04/x
  3. Step 3: Cross multiply
    10,311x = 15,467.10 × 2,916.04
  4. Step 4: Simplify right side
    10,311x = 45,102,682.28
  5. Step 5: Solve for x
    x = 45,102,682.28/10,311
  6. Step 6: Final answer
    x = 4,374.23

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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.