Home / 6,909.42-10,357.86-2,523.78

Finding the Fourth Proportional to 6,909.42, 10,357.86 and 2,523.78

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Solution

The fourth proportional to 6,909.42, 10,357.86 and 2,523.78 is: 3,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.42 : 10,357.86 = 2,523.78 : x
  2. Step 2: Convert to fraction form
    6,909.42/10,357.86 = 2,523.78/x
  3. Step 3: Cross multiply
    6,909.42x = 10,357.86 × 2,523.78
  4. Step 4: Simplify right side
    6,909.42x = 26,140,959.91
  5. Step 5: Solve for x
    x = 26,140,959.91/6,909.42
  6. Step 6: Final answer
    x = 3,783.38

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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.