Home / 9,535.05-13,149.81-6,174.36

Finding the Fourth Proportional to 9,535.05, 13,149.81 and 6,174.36

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Solution

The fourth proportional to 9,535.05, 13,149.81 and 6,174.36 is: 8,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,535.05 : 13,149.81 = 6,174.36 : x
  2. Step 2: Convert to fraction form
    9,535.05/13,149.81 = 6,174.36/x
  3. Step 3: Cross multiply
    9,535.05x = 13,149.81 × 6,174.36
  4. Step 4: Simplify right side
    9,535.05x = 81,191,660.87
  5. Step 5: Solve for x
    x = 81,191,660.87/9,535.05
  6. Step 6: Final answer
    x = 8,515.07

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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.