Home / 7,357.68-10,153.62-4,213.92

Finding the Fourth Proportional to 7,357.68, 10,153.62 and 4,213.92

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Solution

The fourth proportional to 7,357.68, 10,153.62 and 4,213.92 is: 5,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.68 : 10,153.62 = 4,213.92 : x
  2. Step 2: Convert to fraction form
    7,357.68/10,153.62 = 4,213.92/x
  3. Step 3: Cross multiply
    7,357.68x = 10,153.62 × 4,213.92
  4. Step 4: Simplify right side
    7,357.68x = 42,786,542.39
  5. Step 5: Solve for x
    x = 42,786,542.39/7,357.68
  6. Step 6: Final answer
    x = 5,815.22

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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.