Home / 10,688.43-16,032.47-3,762.75

Finding the Fourth Proportional to 10,688.43, 16,032.47 and 3,762.75

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Solution

The fourth proportional to 10,688.43, 16,032.47 and 3,762.75 is: 5,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.43 : 16,032.47 = 3,762.75 : x
  2. Step 2: Convert to fraction form
    10,688.43/16,032.47 = 3,762.75/x
  3. Step 3: Cross multiply
    10,688.43x = 16,032.47 × 3,762.75
  4. Step 4: Simplify right side
    10,688.43x = 60,326,157.68
  5. Step 5: Solve for x
    x = 60,326,157.68/10,688.43
  6. Step 6: Final answer
    x = 5,644.06

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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.