Home / 9,545.62-13,172.91-5,353.87

Finding the Fourth Proportional to 9,545.62, 13,172.91 and 5,353.87

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Solution

The fourth proportional to 9,545.62, 13,172.91 and 5,353.87 is: 7,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,545.62 : 13,172.91 = 5,353.87 : x
  2. Step 2: Convert to fraction form
    9,545.62/13,172.91 = 5,353.87/x
  3. Step 3: Cross multiply
    9,545.62x = 13,172.91 × 5,353.87
  4. Step 4: Simplify right side
    9,545.62x = 70,526,047.66
  5. Step 5: Solve for x
    x = 70,526,047.66/9,545.62
  6. Step 6: Final answer
    x = 7,388.32

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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.