Home / 10,933.68-15,095.52-8,410.80

Finding the Fourth Proportional to 10,933.68, 15,095.52 and 8,410.80

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Solution

The fourth proportional to 10,933.68, 15,095.52 and 8,410.80 is: 11,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.68 : 15,095.52 = 8,410.80 : x
  2. Step 2: Convert to fraction form
    10,933.68/15,095.52 = 8,410.80/x
  3. Step 3: Cross multiply
    10,933.68x = 15,095.52 × 8,410.80
  4. Step 4: Simplify right side
    10,933.68x = 126,965,399.62
  5. Step 5: Solve for x
    x = 126,965,399.62/10,933.68
  6. Step 6: Final answer
    x = 11,612.32

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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.