Home / 12,881.04-17,774.82-7,292.04

Finding the Fourth Proportional to 12,881.04, 17,774.82 and 7,292.04

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Solution

The fourth proportional to 12,881.04, 17,774.82 and 7,292.04 is: 10,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881.04 : 17,774.82 = 7,292.04 : x
  2. Step 2: Convert to fraction form
    12,881.04/17,774.82 = 7,292.04/x
  3. Step 3: Cross multiply
    12,881.04x = 17,774.82 × 7,292.04
  4. Step 4: Simplify right side
    12,881.04x = 129,614,698.43
  5. Step 5: Solve for x
    x = 129,614,698.43/12,881.04
  6. Step 6: Final answer
    x = 10,062.44

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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.