Home / 7,417.20-11,124.84-2,222.64

Finding the Fourth Proportional to 7,417.20, 11,124.84 and 2,222.64

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Solution

The fourth proportional to 7,417.20, 11,124.84 and 2,222.64 is: 3,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.20 : 11,124.84 = 2,222.64 : x
  2. Step 2: Convert to fraction form
    7,417.20/11,124.84 = 2,222.64/x
  3. Step 3: Cross multiply
    7,417.20x = 11,124.84 × 2,222.64
  4. Step 4: Simplify right side
    7,417.20x = 24,726,514.38
  5. Step 5: Solve for x
    x = 24,726,514.38/7,417.20
  6. Step 6: Final answer
    x = 3,333.67

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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.