Home / 9,400.05-12,972.07-5,623.37

Finding the Fourth Proportional to 9,400.05, 12,972.07 and 5,623.37

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Solution

The fourth proportional to 9,400.05, 12,972.07 and 5,623.37 is: 7,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,400.05 : 12,972.07 = 5,623.37 : x
  2. Step 2: Convert to fraction form
    9,400.05/12,972.07 = 5,623.37/x
  3. Step 3: Cross multiply
    9,400.05x = 12,972.07 × 5,623.37
  4. Step 4: Simplify right side
    9,400.05x = 72,946,737.37
  5. Step 5: Solve for x
    x = 72,946,737.37/9,400.05
  6. Step 6: Final answer
    x = 7,760.25

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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.