Home / 12,716.04-17,548.10-7,748.04

Finding the Fourth Proportional to 12,716.04, 17,548.10 and 7,748.04

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Solution

The fourth proportional to 12,716.04, 17,548.10 and 7,748.04 is: 10,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.04 : 17,548.10 = 7,748.04 : x
  2. Step 2: Convert to fraction form
    12,716.04/17,548.10 = 7,748.04/x
  3. Step 3: Cross multiply
    12,716.04x = 17,548.10 × 7,748.04
  4. Step 4: Simplify right side
    12,716.04x = 135,963,380.72
  5. Step 5: Solve for x
    x = 135,963,380.72/12,716.04
  6. Step 6: Final answer
    x = 10,692.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.