Home / 7,331.45-10,988.66-5,682.69

Finding the Fourth Proportional to 7,331.45, 10,988.66 and 5,682.69

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Solution

The fourth proportional to 7,331.45, 10,988.66 and 5,682.69 is: 8,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.45 : 10,988.66 = 5,682.69 : x
  2. Step 2: Convert to fraction form
    7,331.45/10,988.66 = 5,682.69/x
  3. Step 3: Cross multiply
    7,331.45x = 10,988.66 × 5,682.69
  4. Step 4: Simplify right side
    7,331.45x = 62,445,162.50
  5. Step 5: Solve for x
    x = 62,445,162.50/7,331.45
  6. Step 6: Final answer
    x = 8,517.44

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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.