Home / 11,342.88-17,012.28-4,225.80

Finding the Fourth Proportional to 11,342.88, 17,012.28 and 4,225.80

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Solution

The fourth proportional to 11,342.88, 17,012.28 and 4,225.80 is: 6,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.88 : 17,012.28 = 4,225.80 : x
  2. Step 2: Convert to fraction form
    11,342.88/17,012.28 = 4,225.80/x
  3. Step 3: Cross multiply
    11,342.88x = 17,012.28 × 4,225.80
  4. Step 4: Simplify right side
    11,342.88x = 71,890,492.82
  5. Step 5: Solve for x
    x = 71,890,492.82/11,342.88
  6. Step 6: Final answer
    x = 6,337.94

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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.