Home / 7,531,891-10,399,014.58-5,786,451.76

Finding the Fourth Proportional to 7,531,891, 10,399,014.58 and 5,786,451.76

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Solution

The fourth proportional to 7,531,891, 10,399,014.58 and 5,786,451.76 is: 7,989,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531,891 : 10,399,014.58 = 5,786,451.76 : x
  2. Step 2: Convert to fraction form
    7,531,891/10,399,014.58 = 5,786,451.76/x
  3. Step 3: Cross multiply
    7,531,891x = 10,399,014.58 × 5,786,451.76
  4. Step 4: Simplify right side
    7,531,891x = 60,173,396,218,706.66
  5. Step 5: Solve for x
    x = 60,173,396,218,706.66/7,531,891
  6. Step 6: Final answer
    x = 7,989,148.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.