Home / 11,848.75-16,351.28-7,133.95

Finding the Fourth Proportional to 11,848.75, 16,351.28 and 7,133.95

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Solution

The fourth proportional to 11,848.75, 16,351.28 and 7,133.95 is: 9,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.75 : 16,351.28 = 7,133.95 : x
  2. Step 2: Convert to fraction form
    11,848.75/16,351.28 = 7,133.95/x
  3. Step 3: Cross multiply
    11,848.75x = 16,351.28 × 7,133.95
  4. Step 4: Simplify right side
    11,848.75x = 116,649,213.96
  5. Step 5: Solve for x
    x = 116,649,213.96/11,848.75
  6. Step 6: Final answer
    x = 9,844.85

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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.