Home / 8,426.46-11,629.06-4,842.57

Finding the Fourth Proportional to 8,426.46, 11,629.06 and 4,842.57

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Solution

The fourth proportional to 8,426.46, 11,629.06 and 4,842.57 is: 6,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.46 : 11,629.06 = 4,842.57 : x
  2. Step 2: Convert to fraction form
    8,426.46/11,629.06 = 4,842.57/x
  3. Step 3: Cross multiply
    8,426.46x = 11,629.06 × 4,842.57
  4. Step 4: Simplify right side
    8,426.46x = 56,314,524.98
  5. Step 5: Solve for x
    x = 56,314,524.98/8,426.46
  6. Step 6: Final answer
    x = 6,683.06

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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.