Home / 7,476.82-11,216.70-2,545.12

Finding the Fourth Proportional to 7,476.82, 11,216.70 and 2,545.12

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Solution

The fourth proportional to 7,476.82, 11,216.70 and 2,545.12 is: 3,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.82 : 11,216.70 = 2,545.12 : x
  2. Step 2: Convert to fraction form
    7,476.82/11,216.70 = 2,545.12/x
  3. Step 3: Cross multiply
    7,476.82x = 11,216.70 × 2,545.12
  4. Step 4: Simplify right side
    7,476.82x = 28,547,847.50
  5. Step 5: Solve for x
    x = 28,547,847.50/7,476.82
  6. Step 6: Final answer
    x = 3,818.18

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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.