Home / 8,342.01-12,499.84-6,774.38

Finding the Fourth Proportional to 8,342.01, 12,499.84 and 6,774.38

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Solution

The fourth proportional to 8,342.01, 12,499.84 and 6,774.38 is: 10,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.01 : 12,499.84 = 6,774.38 : x
  2. Step 2: Convert to fraction form
    8,342.01/12,499.84 = 6,774.38/x
  3. Step 3: Cross multiply
    8,342.01x = 12,499.84 × 6,774.38
  4. Step 4: Simplify right side
    8,342.01x = 84,678,632.56
  5. Step 5: Solve for x
    x = 84,678,632.56/8,342.01
  6. Step 6: Final answer
    x = 10,150.87

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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.