Home / 8,355.02-12,527.67-3,161.30

Finding the Fourth Proportional to 8,355.02, 12,527.67 and 3,161.30

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Solution

The fourth proportional to 8,355.02, 12,527.67 and 3,161.30 is: 4,740.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.02 : 12,527.67 = 3,161.30 : x
  2. Step 2: Convert to fraction form
    8,355.02/12,527.67 = 3,161.30/x
  3. Step 3: Cross multiply
    8,355.02x = 12,527.67 × 3,161.30
  4. Step 4: Simplify right side
    8,355.02x = 39,603,723.17
  5. Step 5: Solve for x
    x = 39,603,723.17/8,355.02
  6. Step 6: Final answer
    x = 4,740.11

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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.