Home / 8,349.26-12,525.81-2,505.98

Finding the Fourth Proportional to 8,349.26, 12,525.81 and 2,505.98

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Solution

The fourth proportional to 8,349.26, 12,525.81 and 2,505.98 is: 3,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.26 : 12,525.81 = 2,505.98 : x
  2. Step 2: Convert to fraction form
    8,349.26/12,525.81 = 2,505.98/x
  3. Step 3: Cross multiply
    8,349.26x = 12,525.81 × 2,505.98
  4. Step 4: Simplify right side
    8,349.26x = 31,389,429.34
  5. Step 5: Solve for x
    x = 31,389,429.34/8,349.26
  6. Step 6: Final answer
    x = 3,759.55

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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.