Home / 10,821.18-14,933.66-6,344.31

Finding the Fourth Proportional to 10,821.18, 14,933.66 and 6,344.31

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Solution

The fourth proportional to 10,821.18, 14,933.66 and 6,344.31 is: 8,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.18 : 14,933.66 = 6,344.31 : x
  2. Step 2: Convert to fraction form
    10,821.18/14,933.66 = 6,344.31/x
  3. Step 3: Cross multiply
    10,821.18x = 14,933.66 × 6,344.31
  4. Step 4: Simplify right side
    10,821.18x = 94,743,736.75
  5. Step 5: Solve for x
    x = 94,743,736.75/10,821.18
  6. Step 6: Final answer
    x = 8,755.40

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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.