Home / 10,821.32-16,257.90-6,933.32

Finding the Fourth Proportional to 10,821.32, 16,257.90 and 6,933.32

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Solution

The fourth proportional to 10,821.32, 16,257.90 and 6,933.32 is: 10,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.32 : 16,257.90 = 6,933.32 : x
  2. Step 2: Convert to fraction form
    10,821.32/16,257.90 = 6,933.32/x
  3. Step 3: Cross multiply
    10,821.32x = 16,257.90 × 6,933.32
  4. Step 4: Simplify right side
    10,821.32x = 112,721,223.23
  5. Step 5: Solve for x
    x = 112,721,223.23/10,821.32
  6. Step 6: Final answer
    x = 10,416.59

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1.5x scale

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.