Home / 10,556.11-15,828.90-3,533.68

Finding the Fourth Proportional to 10,556.11, 15,828.90 and 3,533.68

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Solution

The fourth proportional to 10,556.11, 15,828.90 and 3,533.68 is: 5,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.11 : 15,828.90 = 3,533.68 : x
  2. Step 2: Convert to fraction form
    10,556.11/15,828.90 = 3,533.68/x
  3. Step 3: Cross multiply
    10,556.11x = 15,828.90 × 3,533.68
  4. Step 4: Simplify right side
    10,556.11x = 55,934,267.35
  5. Step 5: Solve for x
    x = 55,934,267.35/10,556.11
  6. Step 6: Final answer
    x = 5,298.76

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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.