Home / 10,790.02-16,164.28-6,617.86

Finding the Fourth Proportional to 10,790.02, 16,164.28 and 6,617.86

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Solution

The fourth proportional to 10,790.02, 16,164.28 and 6,617.86 is: 9,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.02 : 16,164.28 = 6,617.86 : x
  2. Step 2: Convert to fraction form
    10,790.02/16,164.28 = 6,617.86/x
  3. Step 3: Cross multiply
    10,790.02x = 16,164.28 × 6,617.86
  4. Step 4: Simplify right side
    10,790.02x = 106,972,942.04
  5. Step 5: Solve for x
    x = 106,972,942.04/10,790.02
  6. Step 6: Final answer
    x = 9,914.06

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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.