Home / 7,555.50-11,333.66-2,361.78

Finding the Fourth Proportional to 7,555.50, 11,333.66 and 2,361.78

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Solution

The fourth proportional to 7,555.50, 11,333.66 and 2,361.78 is: 3,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.50 : 11,333.66 = 2,361.78 : x
  2. Step 2: Convert to fraction form
    7,555.50/11,333.66 = 2,361.78/x
  3. Step 3: Cross multiply
    7,555.50x = 11,333.66 × 2,361.78
  4. Step 4: Simplify right side
    7,555.50x = 26,767,599.71
  5. Step 5: Solve for x
    x = 26,767,599.71/7,555.50
  6. Step 6: Final answer
    x = 3,542.80

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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.