Home / 10,908.86-16,355.99-4,333.28

Finding the Fourth Proportional to 10,908.86, 16,355.99 and 4,333.28

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Solution

The fourth proportional to 10,908.86, 16,355.99 and 4,333.28 is: 6,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.86 : 16,355.99 = 4,333.28 : x
  2. Step 2: Convert to fraction form
    10,908.86/16,355.99 = 4,333.28/x
  3. Step 3: Cross multiply
    10,908.86x = 16,355.99 × 4,333.28
  4. Step 4: Simplify right side
    10,908.86x = 70,875,084.35
  5. Step 5: Solve for x
    x = 70,875,084.35/10,908.86
  6. Step 6: Final answer
    x = 6,497.02

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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.