Home / 8,070.93-12,113.82-5,821.79

Finding the Fourth Proportional to 8,070.93, 12,113.82 and 5,821.79

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Solution

The fourth proportional to 8,070.93, 12,113.82 and 5,821.79 is: 8,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.93 : 12,113.82 = 5,821.79 : x
  2. Step 2: Convert to fraction form
    8,070.93/12,113.82 = 5,821.79/x
  3. Step 3: Cross multiply
    8,070.93x = 12,113.82 × 5,821.79
  4. Step 4: Simplify right side
    8,070.93x = 70,524,055.57
  5. Step 5: Solve for x
    x = 70,524,055.57/8,070.93
  6. Step 6: Final answer
    x = 8,738.03

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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.