Home / 8,369.37-11,538.18-8,110.58

Finding the Fourth Proportional to 8,369.37, 11,538.18 and 8,110.58

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Solution

The fourth proportional to 8,369.37, 11,538.18 and 8,110.58 is: 11,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,369.37 : 11,538.18 = 8,110.58 : x
  2. Step 2: Convert to fraction form
    8,369.37/11,538.18 = 8,110.58/x
  3. Step 3: Cross multiply
    8,369.37x = 11,538.18 × 8,110.58
  4. Step 4: Simplify right side
    8,369.37x = 93,581,274.25
  5. Step 5: Solve for x
    x = 93,581,274.25/8,369.37
  6. Step 6: Final answer
    x = 11,181.40

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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.