Home / 9,981.91-14,975.22-3,408.16

Finding the Fourth Proportional to 9,981.91, 14,975.22 and 3,408.16

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Solution

The fourth proportional to 9,981.91, 14,975.22 and 3,408.16 is: 5,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.91 : 14,975.22 = 3,408.16 : x
  2. Step 2: Convert to fraction form
    9,981.91/14,975.22 = 3,408.16/x
  3. Step 3: Cross multiply
    9,981.91x = 14,975.22 × 3,408.16
  4. Step 4: Simplify right side
    9,981.91x = 51,037,945.80
  5. Step 5: Solve for x
    x = 51,037,945.80/9,981.91
  6. Step 6: Final answer
    x = 5,113.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.