Home / 10,369.58-15,525.61-8,542.62

Finding the Fourth Proportional to 10,369.58, 15,525.61 and 8,542.62

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Solution

The fourth proportional to 10,369.58, 15,525.61 and 8,542.62 is: 12,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.58 : 15,525.61 = 8,542.62 : x
  2. Step 2: Convert to fraction form
    10,369.58/15,525.61 = 8,542.62/x
  3. Step 3: Cross multiply
    10,369.58x = 15,525.61 × 8,542.62
  4. Step 4: Simplify right side
    10,369.58x = 132,629,365.14
  5. Step 5: Solve for x
    x = 132,629,365.14/10,369.58
  6. Step 6: Final answer
    x = 12,790.24

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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.