Home / 12,769.41-17,622.45-7,104.18

Finding the Fourth Proportional to 12,769.41, 17,622.45 and 7,104.18

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Solution

The fourth proportional to 12,769.41, 17,622.45 and 7,104.18 is: 9,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.41 : 17,622.45 = 7,104.18 : x
  2. Step 2: Convert to fraction form
    12,769.41/17,622.45 = 7,104.18/x
  3. Step 3: Cross multiply
    12,769.41x = 17,622.45 × 7,104.18
  4. Step 4: Simplify right side
    12,769.41x = 125,193,056.84
  5. Step 5: Solve for x
    x = 125,193,056.84/12,769.41
  6. Step 6: Final answer
    x = 9,804.14

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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.