Home / 11,823.42-16,315.98-6,518.12

Finding the Fourth Proportional to 11,823.42, 16,315.98 and 6,518.12

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Solution

The fourth proportional to 11,823.42, 16,315.98 and 6,518.12 is: 8,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,823.42 : 16,315.98 = 6,518.12 : x
  2. Step 2: Convert to fraction form
    11,823.42/16,315.98 = 6,518.12/x
  3. Step 3: Cross multiply
    11,823.42x = 16,315.98 × 6,518.12
  4. Step 4: Simplify right side
    11,823.42x = 106,349,515.56
  5. Step 5: Solve for x
    x = 106,349,515.56/11,823.42
  6. Step 6: Final answer
    x = 8,994.82

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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.