Home / 10,284.48-15,424.56-3,357.36

Finding the Fourth Proportional to 10,284.48, 15,424.56 and 3,357.36

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Solution

The fourth proportional to 10,284.48, 15,424.56 and 3,357.36 is: 5,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.48 : 15,424.56 = 3,357.36 : x
  2. Step 2: Convert to fraction form
    10,284.48/15,424.56 = 3,357.36/x
  3. Step 3: Cross multiply
    10,284.48x = 15,424.56 × 3,357.36
  4. Step 4: Simplify right side
    10,284.48x = 51,785,800.76
  5. Step 5: Solve for x
    x = 51,785,800.76/10,284.48
  6. Step 6: Final answer
    x = 5,035.33

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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.