Home / 13,108.12-19,664.92-7,252.44

Finding the Fourth Proportional to 13,108.12, 19,664.92 and 7,252.44

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Solution

The fourth proportional to 13,108.12, 19,664.92 and 7,252.44 is: 10,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.12 : 19,664.92 = 7,252.44 : x
  2. Step 2: Convert to fraction form
    13,108.12/19,664.92 = 7,252.44/x
  3. Step 3: Cross multiply
    13,108.12x = 19,664.92 × 7,252.44
  4. Step 4: Simplify right side
    13,108.12x = 142,618,652.40
  5. Step 5: Solve for x
    x = 142,618,652.40/13,108.12
  6. Step 6: Final answer
    x = 10,880.18

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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.