Home / 11,153.79-16,735.41-5,604.21

Finding the Fourth Proportional to 11,153.79, 16,735.41 and 5,604.21

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Solution

The fourth proportional to 11,153.79, 16,735.41 and 5,604.21 is: 8,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.79 : 16,735.41 = 5,604.21 : x
  2. Step 2: Convert to fraction form
    11,153.79/16,735.41 = 5,604.21/x
  3. Step 3: Cross multiply
    11,153.79x = 16,735.41 × 5,604.21
  4. Step 4: Simplify right side
    11,153.79x = 93,788,752.08
  5. Step 5: Solve for x
    x = 93,788,752.08/11,153.79
  6. Step 6: Final answer
    x = 8,408.69

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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.