Home / 8,750.26-13,120.54-3,484.86

Finding the Fourth Proportional to 8,750.26, 13,120.54 and 3,484.86

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Solution

The fourth proportional to 8,750.26, 13,120.54 and 3,484.86 is: 5,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.26 : 13,120.54 = 3,484.86 : x
  2. Step 2: Convert to fraction form
    8,750.26/13,120.54 = 3,484.86/x
  3. Step 3: Cross multiply
    8,750.26x = 13,120.54 × 3,484.86
  4. Step 4: Simplify right side
    8,750.26x = 45,723,245.02
  5. Step 5: Solve for x
    x = 45,723,245.02/8,750.26
  6. Step 6: Final answer
    x = 5,225.36

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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.