Home / 7,474.13-10,239.61-7,193.87

Finding the Fourth Proportional to 7,474.13, 10,239.61 and 7,193.87

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Solution

The fourth proportional to 7,474.13, 10,239.61 and 7,193.87 is: 9,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.13 : 10,239.61 = 7,193.87 : x
  2. Step 2: Convert to fraction form
    7,474.13/10,239.61 = 7,193.87/x
  3. Step 3: Cross multiply
    7,474.13x = 10,239.61 × 7,193.87
  4. Step 4: Simplify right side
    7,474.13x = 73,662,385.66
  5. Step 5: Solve for x
    x = 73,662,385.66/7,474.13
  6. Step 6: Final answer
    x = 9,855.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.