Home / 10,214.97-14,103.18-6,816.83

Finding the Fourth Proportional to 10,214.97, 14,103.18 and 6,816.83

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Solution

The fourth proportional to 10,214.97, 14,103.18 and 6,816.83 is: 9,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.97 : 14,103.18 = 6,816.83 : x
  2. Step 2: Convert to fraction form
    10,214.97/14,103.18 = 6,816.83/x
  3. Step 3: Cross multiply
    10,214.97x = 14,103.18 × 6,816.83
  4. Step 4: Simplify right side
    10,214.97x = 96,138,910.00
  5. Step 5: Solve for x
    x = 96,138,910.00/10,214.97
  6. Step 6: Final answer
    x = 9,411.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.