Home / 9,207.70-13,811.55-2,282.20

Finding the Fourth Proportional to 9,207.70, 13,811.55 and 2,282.20

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Solution

The fourth proportional to 9,207.70, 13,811.55 and 2,282.20 is: 3,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.70 : 13,811.55 = 2,282.20 : x
  2. Step 2: Convert to fraction form
    9,207.70/13,811.55 = 2,282.20/x
  3. Step 3: Cross multiply
    9,207.70x = 13,811.55 × 2,282.20
  4. Step 4: Simplify right side
    9,207.70x = 31,520,719.41
  5. Step 5: Solve for x
    x = 31,520,719.41/9,207.70
  6. Step 6: Final answer
    x = 3,423.30

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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.