Home / 10,340.89-15,502.08-3,762.43

Finding the Fourth Proportional to 10,340.89, 15,502.08 and 3,762.43

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Solution

The fourth proportional to 10,340.89, 15,502.08 and 3,762.43 is: 5,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.89 : 15,502.08 = 3,762.43 : x
  2. Step 2: Convert to fraction form
    10,340.89/15,502.08 = 3,762.43/x
  3. Step 3: Cross multiply
    10,340.89x = 15,502.08 × 3,762.43
  4. Step 4: Simplify right side
    10,340.89x = 58,325,490.85
  5. Step 5: Solve for x
    x = 58,325,490.85/10,340.89
  6. Step 6: Final answer
    x = 5,640.28

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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.