Home / 7,567.21-11,340.44-3,861.65

Finding the Fourth Proportional to 7,567.21, 11,340.44 and 3,861.65

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Solution

The fourth proportional to 7,567.21, 11,340.44 and 3,861.65 is: 5,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,567.21 : 11,340.44 = 3,861.65 : x
  2. Step 2: Convert to fraction form
    7,567.21/11,340.44 = 3,861.65/x
  3. Step 3: Cross multiply
    7,567.21x = 11,340.44 × 3,861.65
  4. Step 4: Simplify right side
    7,567.21x = 43,792,810.13
  5. Step 5: Solve for x
    x = 43,792,810.13/7,567.21
  6. Step 6: Final answer
    x = 5,787.18

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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.