Home / 11,166.95-15,410.46-6,131.39

Finding the Fourth Proportional to 11,166.95, 15,410.46 and 6,131.39

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Solution

The fourth proportional to 11,166.95, 15,410.46 and 6,131.39 is: 8,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.95 : 15,410.46 = 6,131.39 : x
  2. Step 2: Convert to fraction form
    11,166.95/15,410.46 = 6,131.39/x
  3. Step 3: Cross multiply
    11,166.95x = 15,410.46 × 6,131.39
  4. Step 4: Simplify right side
    11,166.95x = 94,487,540.34
  5. Step 5: Solve for x
    x = 94,487,540.34/11,166.95
  6. Step 6: Final answer
    x = 8,461.36

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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.