Home / 12,331.14-17,007.03-7,853.46

Finding the Fourth Proportional to 12,331.14, 17,007.03 and 7,853.46

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Solution

The fourth proportional to 12,331.14, 17,007.03 and 7,853.46 is: 10,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.14 : 17,007.03 = 7,853.46 : x
  2. Step 2: Convert to fraction form
    12,331.14/17,007.03 = 7,853.46/x
  3. Step 3: Cross multiply
    12,331.14x = 17,007.03 × 7,853.46
  4. Step 4: Simplify right side
    12,331.14x = 133,564,029.82
  5. Step 5: Solve for x
    x = 133,564,029.82/12,331.14
  6. Step 6: Final answer
    x = 10,831.44

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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.