Home / 8,021.10-12,031.65-7,200.98

Finding the Fourth Proportional to 8,021.10, 12,031.65 and 7,200.98

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Solution

The fourth proportional to 8,021.10, 12,031.65 and 7,200.98 is: 10,801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.10 : 12,031.65 = 7,200.98 : x
  2. Step 2: Convert to fraction form
    8,021.10/12,031.65 = 7,200.98/x
  3. Step 3: Cross multiply
    8,021.10x = 12,031.65 × 7,200.98
  4. Step 4: Simplify right side
    8,021.10x = 86,639,610.86
  5. Step 5: Solve for x
    x = 86,639,610.86/8,021.10
  6. Step 6: Final answer
    x = 10,801.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.