Home / 8,107.51-11,188.44-4,522.79

Finding the Fourth Proportional to 8,107.51, 11,188.44 and 4,522.79

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Solution

The fourth proportional to 8,107.51, 11,188.44 and 4,522.79 is: 6,241.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.51 : 11,188.44 = 4,522.79 : x
  2. Step 2: Convert to fraction form
    8,107.51/11,188.44 = 4,522.79/x
  3. Step 3: Cross multiply
    8,107.51x = 11,188.44 × 4,522.79
  4. Step 4: Simplify right side
    8,107.51x = 50,602,971.34
  5. Step 5: Solve for x
    x = 50,602,971.34/8,107.51
  6. Step 6: Final answer
    x = 6,241.50

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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.