Home / 8,376.46-11,555.31-5,723.98

Finding the Fourth Proportional to 8,376.46, 11,555.31 and 5,723.98

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Solution

The fourth proportional to 8,376.46, 11,555.31 and 5,723.98 is: 7,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.46 : 11,555.31 = 5,723.98 : x
  2. Step 2: Convert to fraction form
    8,376.46/11,555.31 = 5,723.98/x
  3. Step 3: Cross multiply
    8,376.46x = 11,555.31 × 5,723.98
  4. Step 4: Simplify right side
    8,376.46x = 66,142,363.33
  5. Step 5: Solve for x
    x = 66,142,363.33/8,376.46
  6. Step 6: Final answer
    x = 7,896.22

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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.