Home / 12,374.49-17,079.93-7,072.43

Finding the Fourth Proportional to 12,374.49, 17,079.93 and 7,072.43

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Solution

The fourth proportional to 12,374.49, 17,079.93 and 7,072.43 is: 9,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.49 : 17,079.93 = 7,072.43 : x
  2. Step 2: Convert to fraction form
    12,374.49/17,079.93 = 7,072.43/x
  3. Step 3: Cross multiply
    12,374.49x = 17,079.93 × 7,072.43
  4. Step 4: Simplify right side
    12,374.49x = 120,796,523.93
  5. Step 5: Solve for x
    x = 120,796,523.93/12,374.49
  6. Step 6: Final answer
    x = 9,761.74

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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.