Home / 12,761.49-17,610.93-7,096.77

Finding the Fourth Proportional to 12,761.49, 17,610.93 and 7,096.77

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Solution

The fourth proportional to 12,761.49, 17,610.93 and 7,096.77 is: 9,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761.49 : 17,610.93 = 7,096.77 : x
  2. Step 2: Convert to fraction form
    12,761.49/17,610.93 = 7,096.77/x
  3. Step 3: Cross multiply
    12,761.49x = 17,610.93 × 7,096.77
  4. Step 4: Simplify right side
    12,761.49x = 124,980,719.70
  5. Step 5: Solve for x
    x = 124,980,719.70/12,761.49
  6. Step 6: Final answer
    x = 9,793.58

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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.