Home / 11,829.81-17,742.68-4,432.76

Finding the Fourth Proportional to 11,829.81, 17,742.68 and 4,432.76

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Solution

The fourth proportional to 11,829.81, 17,742.68 and 4,432.76 is: 6,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.81 : 17,742.68 = 4,432.76 : x
  2. Step 2: Convert to fraction form
    11,829.81/17,742.68 = 4,432.76/x
  3. Step 3: Cross multiply
    11,829.81x = 17,742.68 × 4,432.76
  4. Step 4: Simplify right side
    11,829.81x = 78,649,014.48
  5. Step 5: Solve for x
    x = 78,649,014.48/11,829.81
  6. Step 6: Final answer
    x = 6,648.37

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1.5x scale

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.