Home / 9,500.53-13,107.85-5,520.87

Finding the Fourth Proportional to 9,500.53, 13,107.85 and 5,520.87

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Solution

The fourth proportional to 9,500.53, 13,107.85 and 5,520.87 is: 7,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,500.53 : 13,107.85 = 5,520.87 : x
  2. Step 2: Convert to fraction form
    9,500.53/13,107.85 = 5,520.87/x
  3. Step 3: Cross multiply
    9,500.53x = 13,107.85 × 5,520.87
  4. Step 4: Simplify right side
    9,500.53x = 72,366,735.83
  5. Step 5: Solve for x
    x = 72,366,735.83/9,500.53
  6. Step 6: Final answer
    x = 7,617.13

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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.