Home / 12,472.94-17,212.11-6,807.54

Finding the Fourth Proportional to 12,472.94, 17,212.11 and 6,807.54

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Solution

The fourth proportional to 12,472.94, 17,212.11 and 6,807.54 is: 9,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.94 : 17,212.11 = 6,807.54 : x
  2. Step 2: Convert to fraction form
    12,472.94/17,212.11 = 6,807.54/x
  3. Step 3: Cross multiply
    12,472.94x = 17,212.11 × 6,807.54
  4. Step 4: Simplify right side
    12,472.94x = 117,172,127.31
  5. Step 5: Solve for x
    x = 117,172,127.31/12,472.94
  6. Step 6: Final answer
    x = 9,394.11

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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.