Home / 7,663.44-11,495.37-2,116.78

Finding the Fourth Proportional to 7,663.44, 11,495.37 and 2,116.78

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Solution

The fourth proportional to 7,663.44, 11,495.37 and 2,116.78 is: 3,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.44 : 11,495.37 = 2,116.78 : x
  2. Step 2: Convert to fraction form
    7,663.44/11,495.37 = 2,116.78/x
  3. Step 3: Cross multiply
    7,663.44x = 11,495.37 × 2,116.78
  4. Step 4: Simplify right side
    7,663.44x = 24,333,152.77
  5. Step 5: Solve for x
    x = 24,333,152.77/7,663.44
  6. Step 6: Final answer
    x = 3,175.23

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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.