Home / 10,439.57-15,664.37-4,892.01

Finding the Fourth Proportional to 10,439.57, 15,664.37 and 4,892.01

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Solution

The fourth proportional to 10,439.57, 15,664.37 and 4,892.01 is: 7,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.57 : 15,664.37 = 4,892.01 : x
  2. Step 2: Convert to fraction form
    10,439.57/15,664.37 = 4,892.01/x
  3. Step 3: Cross multiply
    10,439.57x = 15,664.37 × 4,892.01
  4. Step 4: Simplify right side
    10,439.57x = 76,630,230.22
  5. Step 5: Solve for x
    x = 76,630,230.22/10,439.57
  6. Step 6: Final answer
    x = 7,340.37

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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.