Home / 8,315.20-11,474.94-4,538.36

Finding the Fourth Proportional to 8,315.20, 11,474.94 and 4,538.36

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Solution

The fourth proportional to 8,315.20, 11,474.94 and 4,538.36 is: 6,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.20 : 11,474.94 = 4,538.36 : x
  2. Step 2: Convert to fraction form
    8,315.20/11,474.94 = 4,538.36/x
  3. Step 3: Cross multiply
    8,315.20x = 11,474.94 × 4,538.36
  4. Step 4: Simplify right side
    8,315.20x = 52,077,471.09
  5. Step 5: Solve for x
    x = 52,077,471.09/8,315.20
  6. Step 6: Final answer
    x = 6,262.93

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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.