Home / 11,137.50-15,369.59-6,101.66

Finding the Fourth Proportional to 11,137.50, 15,369.59 and 6,101.66

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Solution

The fourth proportional to 11,137.50, 15,369.59 and 6,101.66 is: 8,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.50 : 15,369.59 = 6,101.66 : x
  2. Step 2: Convert to fraction form
    11,137.50/15,369.59 = 6,101.66/x
  3. Step 3: Cross multiply
    11,137.50x = 15,369.59 × 6,101.66
  4. Step 4: Simplify right side
    11,137.50x = 93,780,066.20
  5. Step 5: Solve for x
    x = 93,780,066.20/11,137.50
  6. Step 6: Final answer
    x = 8,420.21

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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.