Home / 7,498.11-11,248.71-2,818.11

Finding the Fourth Proportional to 7,498.11, 11,248.71 and 2,818.11

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Solution

The fourth proportional to 7,498.11, 11,248.71 and 2,818.11 is: 4,227.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.11 : 11,248.71 = 2,818.11 : x
  2. Step 2: Convert to fraction form
    7,498.11/11,248.71 = 2,818.11/x
  3. Step 3: Cross multiply
    7,498.11x = 11,248.71 × 2,818.11
  4. Step 4: Simplify right side
    7,498.11x = 31,700,133.75
  5. Step 5: Solve for x
    x = 31,700,133.75/7,498.11
  6. Step 6: Final answer
    x = 4,227.75

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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.