Home / 10,935.28-16,403.17-3,915.77

Finding the Fourth Proportional to 10,935.28, 16,403.17 and 3,915.77

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Solution

The fourth proportional to 10,935.28, 16,403.17 and 3,915.77 is: 5,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.28 : 16,403.17 = 3,915.77 : x
  2. Step 2: Convert to fraction form
    10,935.28/16,403.17 = 3,915.77/x
  3. Step 3: Cross multiply
    10,935.28x = 16,403.17 × 3,915.77
  4. Step 4: Simplify right side
    10,935.28x = 64,231,040.99
  5. Step 5: Solve for x
    x = 64,231,040.99/10,935.28
  6. Step 6: Final answer
    x = 5,873.74

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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.