Home / 10,735.92-16,088.64-4,489.20

Finding the Fourth Proportional to 10,735.92, 16,088.64 and 4,489.20

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Solution

The fourth proportional to 10,735.92, 16,088.64 and 4,489.20 is: 6,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,735.92 : 16,088.64 = 4,489.20 : x
  2. Step 2: Convert to fraction form
    10,735.92/16,088.64 = 4,489.20/x
  3. Step 3: Cross multiply
    10,735.92x = 16,088.64 × 4,489.20
  4. Step 4: Simplify right side
    10,735.92x = 72,225,122.69
  5. Step 5: Solve for x
    x = 72,225,122.69/10,735.92
  6. Step 6: Final answer
    x = 6,727.43

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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.