Home / 45,209.46-67,813.53-11,015.34

Finding the Fourth Proportional to 45,209.46, 67,813.53 and 11,015.34

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Solution

The fourth proportional to 45,209.46, 67,813.53 and 11,015.34 is: 16,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,209.46 : 67,813.53 = 11,015.34 : x
  2. Step 2: Convert to fraction form
    45,209.46/67,813.53 = 11,015.34/x
  3. Step 3: Cross multiply
    45,209.46x = 67,813.53 × 11,015.34
  4. Step 4: Simplify right side
    45,209.46x = 746,989,089.55
  5. Step 5: Solve for x
    x = 746,989,089.55/45,209.46
  6. Step 6: Final answer
    x = 16,522.85

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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.