Home / 7,545.45-11,323.36-2,615.12

Finding the Fourth Proportional to 7,545.45, 11,323.36 and 2,615.12

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Solution

The fourth proportional to 7,545.45, 11,323.36 and 2,615.12 is: 3,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.45 : 11,323.36 = 2,615.12 : x
  2. Step 2: Convert to fraction form
    7,545.45/11,323.36 = 2,615.12/x
  3. Step 3: Cross multiply
    7,545.45x = 11,323.36 × 2,615.12
  4. Step 4: Simplify right side
    7,545.45x = 29,611,934.32
  5. Step 5: Solve for x
    x = 29,611,934.32/7,545.45
  6. Step 6: Final answer
    x = 3,924.47

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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.