Home / 10,211.23-14,089.84-6,382.41

Finding the Fourth Proportional to 10,211.23, 14,089.84 and 6,382.41

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Solution

The fourth proportional to 10,211.23, 14,089.84 and 6,382.41 is: 8,806.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.23 : 14,089.84 = 6,382.41 : x
  2. Step 2: Convert to fraction form
    10,211.23/14,089.84 = 6,382.41/x
  3. Step 3: Cross multiply
    10,211.23x = 14,089.84 × 6,382.41
  4. Step 4: Simplify right side
    10,211.23x = 89,927,103.80
  5. Step 5: Solve for x
    x = 89,927,103.80/10,211.23
  6. Step 6: Final answer
    x = 8,806.69

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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.