Home / 10,221.62-15,323.18-4,953.33

Finding the Fourth Proportional to 10,221.62, 15,323.18 and 4,953.33

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Solution

The fourth proportional to 10,221.62, 15,323.18 and 4,953.33 is: 7,425.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.62 : 15,323.18 = 4,953.33 : x
  2. Step 2: Convert to fraction form
    10,221.62/15,323.18 = 4,953.33/x
  3. Step 3: Cross multiply
    10,221.62x = 15,323.18 × 4,953.33
  4. Step 4: Simplify right side
    10,221.62x = 75,900,742.42
  5. Step 5: Solve for x
    x = 75,900,742.42/10,221.62
  6. Step 6: Final answer
    x = 7,425.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.