Home / 12,042.75-16,629.26-7,573.98

Finding the Fourth Proportional to 12,042.75, 16,629.26 and 7,573.98

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Solution

The fourth proportional to 12,042.75, 16,629.26 and 7,573.98 is: 10,458.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.75 : 16,629.26 = 7,573.98 : x
  2. Step 2: Convert to fraction form
    12,042.75/16,629.26 = 7,573.98/x
  3. Step 3: Cross multiply
    12,042.75x = 16,629.26 × 7,573.98
  4. Step 4: Simplify right side
    12,042.75x = 125,949,644.78
  5. Step 5: Solve for x
    x = 125,949,644.78/12,042.75
  6. Step 6: Final answer
    x = 10,458.55

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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.