Home / 11,750.28-17,628.21-4,729.20

Finding the Fourth Proportional to 11,750.28, 17,628.21 and 4,729.20

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Solution

The fourth proportional to 11,750.28, 17,628.21 and 4,729.20 is: 7,094.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.28 : 17,628.21 = 4,729.20 : x
  2. Step 2: Convert to fraction form
    11,750.28/17,628.21 = 4,729.20/x
  3. Step 3: Cross multiply
    11,750.28x = 17,628.21 × 4,729.20
  4. Step 4: Simplify right side
    11,750.28x = 83,367,330.73
  5. Step 5: Solve for x
    x = 83,367,330.73/11,750.28
  6. Step 6: Final answer
    x = 7,094.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.