Home / 8,525.48-12,780.01-4,367.45

Finding the Fourth Proportional to 8,525.48, 12,780.01 and 4,367.45

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Solution

The fourth proportional to 8,525.48, 12,780.01 and 4,367.45 is: 6,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.48 : 12,780.01 = 4,367.45 : x
  2. Step 2: Convert to fraction form
    8,525.48/12,780.01 = 4,367.45/x
  3. Step 3: Cross multiply
    8,525.48x = 12,780.01 × 4,367.45
  4. Step 4: Simplify right side
    8,525.48x = 55,815,979.86
  5. Step 5: Solve for x
    x = 55,815,979.86/8,525.48
  6. Step 6: Final answer
    x = 6,546.96

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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.