Home / 10,291.76-15,438.20-3,272.33

Finding the Fourth Proportional to 10,291.76, 15,438.20 and 3,272.33

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Solution

The fourth proportional to 10,291.76, 15,438.20 and 3,272.33 is: 4,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.76 : 15,438.20 = 3,272.33 : x
  2. Step 2: Convert to fraction form
    10,291.76/15,438.20 = 3,272.33/x
  3. Step 3: Cross multiply
    10,291.76x = 15,438.20 × 3,272.33
  4. Step 4: Simplify right side
    10,291.76x = 50,518,907.24
  5. Step 5: Solve for x
    x = 50,518,907.24/10,291.76
  6. Step 6: Final answer
    x = 4,908.68

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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.