Home / 12,126.97-16,735.40-7,094.80

Finding the Fourth Proportional to 12,126.97, 16,735.40 and 7,094.80

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Solution

The fourth proportional to 12,126.97, 16,735.40 and 7,094.80 is: 9,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126.97 : 16,735.40 = 7,094.80 : x
  2. Step 2: Convert to fraction form
    12,126.97/16,735.40 = 7,094.80/x
  3. Step 3: Cross multiply
    12,126.97x = 16,735.40 × 7,094.80
  4. Step 4: Simplify right side
    12,126.97x = 118,734,315.92
  5. Step 5: Solve for x
    x = 118,734,315.92/12,126.97
  6. Step 6: Final answer
    x = 9,790.93

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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.