Home / 11,823.30-16,315.41-6,518.16

Finding the Fourth Proportional to 11,823.30, 16,315.41 and 6,518.16

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Solution

The fourth proportional to 11,823.30, 16,315.41 and 6,518.16 is: 8,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.30 : 16,315.41 = 6,518.16 : x
  2. Step 2: Convert to fraction form
    11,823.30/16,315.41 = 6,518.16/x
  3. Step 3: Cross multiply
    11,823.30x = 16,315.41 × 6,518.16
  4. Step 4: Simplify right side
    11,823.30x = 106,346,452.85
  5. Step 5: Solve for x
    x = 106,346,452.85/11,823.30
  6. Step 6: Final answer
    x = 8,994.65

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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.