Home / 10,963.10-16,435.65-4,727.90

Finding the Fourth Proportional to 10,963.10, 16,435.65 and 4,727.90

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Solution

The fourth proportional to 10,963.10, 16,435.65 and 4,727.90 is: 7,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.10 : 16,435.65 = 4,727.90 : x
  2. Step 2: Convert to fraction form
    10,963.10/16,435.65 = 4,727.90/x
  3. Step 3: Cross multiply
    10,963.10x = 16,435.65 × 4,727.90
  4. Step 4: Simplify right side
    10,963.10x = 77,706,109.64
  5. Step 5: Solve for x
    x = 77,706,109.64/10,963.10
  6. Step 6: Final answer
    x = 7,087.97

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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.