Home / 9,099.34-12,558.45-8,536.48

Finding the Fourth Proportional to 9,099.34, 12,558.45 and 8,536.48

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Solution

The fourth proportional to 9,099.34, 12,558.45 and 8,536.48 is: 11,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.34 : 12,558.45 = 8,536.48 : x
  2. Step 2: Convert to fraction form
    9,099.34/12,558.45 = 8,536.48/x
  3. Step 3: Cross multiply
    9,099.34x = 12,558.45 × 8,536.48
  4. Step 4: Simplify right side
    9,099.34x = 107,204,957.26
  5. Step 5: Solve for x
    x = 107,204,957.26/9,099.34
  6. Step 6: Final answer
    x = 11,781.62

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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.