Home / 9,545.55-13,175.37-5,355.15

Finding the Fourth Proportional to 9,545.55, 13,175.37 and 5,355.15

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Solution

The fourth proportional to 9,545.55, 13,175.37 and 5,355.15 is: 7,391.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,545.55 : 13,175.37 = 5,355.15 : x
  2. Step 2: Convert to fraction form
    9,545.55/13,175.37 = 5,355.15/x
  3. Step 3: Cross multiply
    9,545.55x = 13,175.37 × 5,355.15
  4. Step 4: Simplify right side
    9,545.55x = 70,556,107.36
  5. Step 5: Solve for x
    x = 70,556,107.36/9,545.55
  6. Step 6: Final answer
    x = 7,391.52

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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.