Home / 8,267.06-12,401.37-2,720.45

Finding the Fourth Proportional to 8,267.06, 12,401.37 and 2,720.45

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Solution

The fourth proportional to 8,267.06, 12,401.37 and 2,720.45 is: 4,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.06 : 12,401.37 = 2,720.45 : x
  2. Step 2: Convert to fraction form
    8,267.06/12,401.37 = 2,720.45/x
  3. Step 3: Cross multiply
    8,267.06x = 12,401.37 × 2,720.45
  4. Step 4: Simplify right side
    8,267.06x = 33,737,307.02
  5. Step 5: Solve for x
    x = 33,737,307.02/8,267.06
  6. Step 6: Final answer
    x = 4,080.93

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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.