Home / 11,357.28-17,043.27-4,783.53

Finding the Fourth Proportional to 11,357.28, 17,043.27 and 4,783.53

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Solution

The fourth proportional to 11,357.28, 17,043.27 and 4,783.53 is: 7,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.28 : 17,043.27 = 4,783.53 : x
  2. Step 2: Convert to fraction form
    11,357.28/17,043.27 = 4,783.53/x
  3. Step 3: Cross multiply
    11,357.28x = 17,043.27 × 4,783.53
  4. Step 4: Simplify right side
    11,357.28x = 81,526,993.34
  5. Step 5: Solve for x
    x = 81,526,993.34/11,357.28
  6. Step 6: Final answer
    x = 7,178.39

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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.