Home / 8,265.08-12,397.46-2,421.56

Finding the Fourth Proportional to 8,265.08, 12,397.46 and 2,421.56

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Solution

The fourth proportional to 8,265.08, 12,397.46 and 2,421.56 is: 3,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.08 : 12,397.46 = 2,421.56 : x
  2. Step 2: Convert to fraction form
    8,265.08/12,397.46 = 2,421.56/x
  3. Step 3: Cross multiply
    8,265.08x = 12,397.46 × 2,421.56
  4. Step 4: Simplify right side
    8,265.08x = 30,021,193.24
  5. Step 5: Solve for x
    x = 30,021,193.24/8,265.08
  6. Step 6: Final answer
    x = 3,632.29

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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.