Home / 9,545.04-13,172.76-5,353.56

Finding the Fourth Proportional to 9,545.04, 13,172.76 and 5,353.56

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Solution

The fourth proportional to 9,545.04, 13,172.76 and 5,353.56 is: 7,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,545.04 : 13,172.76 = 5,353.56 : x
  2. Step 2: Convert to fraction form
    9,545.04/13,172.76 = 5,353.56/x
  3. Step 3: Cross multiply
    9,545.04x = 13,172.76 × 5,353.56
  4. Step 4: Simplify right side
    9,545.04x = 70,521,161.03
  5. Step 5: Solve for x
    x = 70,521,161.03/9,545.04
  6. Step 6: Final answer
    x = 7,388.25

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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.