Home / 10,913.22-16,377-5,986.32

Finding the Fourth Proportional to 10,913.22, 16,377 and 5,986.32

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Solution

The fourth proportional to 10,913.22, 16,377 and 5,986.32 is: 8,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.22 : 16,377 = 5,986.32 : x
  2. Step 2: Convert to fraction form
    10,913.22/16,377 = 5,986.32/x
  3. Step 3: Cross multiply
    10,913.22x = 16,377 × 5,986.32
  4. Step 4: Simplify right side
    10,913.22x = 98,037,962.64
  5. Step 5: Solve for x
    x = 98,037,962.64/10,913.22
  6. Step 6: Final answer
    x = 8,983.41

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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.