Home / 12,116.25-18,161.28-5,094.63

Finding the Fourth Proportional to 12,116.25, 18,161.28 and 5,094.63

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Solution

The fourth proportional to 12,116.25, 18,161.28 and 5,094.63 is: 7,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.25 : 18,161.28 = 5,094.63 : x
  2. Step 2: Convert to fraction form
    12,116.25/18,161.28 = 5,094.63/x
  3. Step 3: Cross multiply
    12,116.25x = 18,161.28 × 5,094.63
  4. Step 4: Simplify right side
    12,116.25x = 92,525,001.93
  5. Step 5: Solve for x
    x = 92,525,001.93/12,116.25
  6. Step 6: Final answer
    x = 7,636.44

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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.