Home / 11,823.57-16,315.90-6,518.27

Finding the Fourth Proportional to 11,823.57, 16,315.90 and 6,518.27

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Solution

The fourth proportional to 11,823.57, 16,315.90 and 6,518.27 is: 8,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.57 : 16,315.90 = 6,518.27 : x
  2. Step 2: Convert to fraction form
    11,823.57/16,315.90 = 6,518.27/x
  3. Step 3: Cross multiply
    11,823.57x = 16,315.90 × 6,518.27
  4. Step 4: Simplify right side
    11,823.57x = 106,351,465.99
  5. Step 5: Solve for x
    x = 106,351,465.99/11,823.57
  6. Step 6: Final answer
    x = 8,994.87

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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.