Home / 11,823.19-16,315.22-6,517.99

Finding the Fourth Proportional to 11,823.19, 16,315.22 and 6,517.99

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Solution

The fourth proportional to 11,823.19, 16,315.22 and 6,517.99 is: 8,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.19 : 16,315.22 = 6,517.99 : x
  2. Step 2: Convert to fraction form
    11,823.19/16,315.22 = 6,517.99/x
  3. Step 3: Cross multiply
    11,823.19x = 16,315.22 × 6,517.99
  4. Step 4: Simplify right side
    11,823.19x = 106,342,440.81
  5. Step 5: Solve for x
    x = 106,342,440.81/11,823.19
  6. Step 6: Final answer
    x = 8,994.39

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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.