Home / 9,800.16-13,512.28-8,536.56

Finding the Fourth Proportional to 9,800.16, 13,512.28 and 8,536.56

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Solution

The fourth proportional to 9,800.16, 13,512.28 and 8,536.56 is: 11,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.16 : 13,512.28 = 8,536.56 : x
  2. Step 2: Convert to fraction form
    9,800.16/13,512.28 = 8,536.56/x
  3. Step 3: Cross multiply
    9,800.16x = 13,512.28 × 8,536.56
  4. Step 4: Simplify right side
    9,800.16x = 115,348,388.96
  5. Step 5: Solve for x
    x = 115,348,388.96/9,800.16
  6. Step 6: Final answer
    x = 11,770.05

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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.