Home / 12,467.40-17,211.18-9,773.88

Finding the Fourth Proportional to 12,467.40, 17,211.18 and 9,773.88

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Solution

The fourth proportional to 12,467.40, 17,211.18 and 9,773.88 is: 13,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.40 : 17,211.18 = 9,773.88 : x
  2. Step 2: Convert to fraction form
    12,467.40/17,211.18 = 9,773.88/x
  3. Step 3: Cross multiply
    12,467.40x = 17,211.18 × 9,773.88
  4. Step 4: Simplify right side
    12,467.40x = 168,220,007.98
  5. Step 5: Solve for x
    x = 168,220,007.98/12,467.40
  6. Step 6: Final answer
    x = 13,492.79

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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.