Home / 12,146.26-16,758.21-7,425.58

Finding the Fourth Proportional to 12,146.26, 16,758.21 and 7,425.58

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Solution

The fourth proportional to 12,146.26, 16,758.21 and 7,425.58 is: 10,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.26 : 16,758.21 = 7,425.58 : x
  2. Step 2: Convert to fraction form
    12,146.26/16,758.21 = 7,425.58/x
  3. Step 3: Cross multiply
    12,146.26x = 16,758.21 × 7,425.58
  4. Step 4: Simplify right side
    12,146.26x = 124,439,429.01
  5. Step 5: Solve for x
    x = 124,439,429.01/12,146.26
  6. Step 6: Final answer
    x = 10,245.08

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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.