Home / 9,107.79-13,666.14-3,267.15

Finding the Fourth Proportional to 9,107.79, 13,666.14 and 3,267.15

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Solution

The fourth proportional to 9,107.79, 13,666.14 and 3,267.15 is: 4,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.79 : 13,666.14 = 3,267.15 : x
  2. Step 2: Convert to fraction form
    9,107.79/13,666.14 = 3,267.15/x
  3. Step 3: Cross multiply
    9,107.79x = 13,666.14 × 3,267.15
  4. Step 4: Simplify right side
    9,107.79x = 44,649,329.30
  5. Step 5: Solve for x
    x = 44,649,329.30/9,107.79
  6. Step 6: Final answer
    x = 4,902.32

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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.