Home / 6,814.74-10,229.40-5,531.70

Finding the Fourth Proportional to 6,814.74, 10,229.40 and 5,531.70

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Solution

The fourth proportional to 6,814.74, 10,229.40 and 5,531.70 is: 8,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.74 : 10,229.40 = 5,531.70 : x
  2. Step 2: Convert to fraction form
    6,814.74/10,229.40 = 5,531.70/x
  3. Step 3: Cross multiply
    6,814.74x = 10,229.40 × 5,531.70
  4. Step 4: Simplify right side
    6,814.74x = 56,585,971.98
  5. Step 5: Solve for x
    x = 56,585,971.98/6,814.74
  6. Step 6: Final answer
    x = 8,303.47

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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.