Home / 11,281.48-16,907.84-5,358.36

Finding the Fourth Proportional to 11,281.48, 16,907.84 and 5,358.36

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Solution

The fourth proportional to 11,281.48, 16,907.84 and 5,358.36 is: 8,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.48 : 16,907.84 = 5,358.36 : x
  2. Step 2: Convert to fraction form
    11,281.48/16,907.84 = 5,358.36/x
  3. Step 3: Cross multiply
    11,281.48x = 16,907.84 × 5,358.36
  4. Step 4: Simplify right side
    11,281.48x = 90,598,293.54
  5. Step 5: Solve for x
    x = 90,598,293.54/11,281.48
  6. Step 6: Final answer
    x = 8,030.71

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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.