Home / 11,536.57-15,920.47-6,231.39

Finding the Fourth Proportional to 11,536.57, 15,920.47 and 6,231.39

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Solution

The fourth proportional to 11,536.57, 15,920.47 and 6,231.39 is: 8,599.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,536.57 : 15,920.47 = 6,231.39 : x
  2. Step 2: Convert to fraction form
    11,536.57/15,920.47 = 6,231.39/x
  3. Step 3: Cross multiply
    11,536.57x = 15,920.47 × 6,231.39
  4. Step 4: Simplify right side
    11,536.57x = 99,206,657.55
  5. Step 5: Solve for x
    x = 99,206,657.55/11,536.57
  6. Step 6: Final answer
    x = 8,599.32

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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.