Home / 11,394.71-15,720.49-6,677.27

Finding the Fourth Proportional to 11,394.71, 15,720.49 and 6,677.27

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Solution

The fourth proportional to 11,394.71, 15,720.49 and 6,677.27 is: 9,212.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.71 : 15,720.49 = 6,677.27 : x
  2. Step 2: Convert to fraction form
    11,394.71/15,720.49 = 6,677.27/x
  3. Step 3: Cross multiply
    11,394.71x = 15,720.49 × 6,677.27
  4. Step 4: Simplify right side
    11,394.71x = 104,969,956.26
  5. Step 5: Solve for x
    x = 104,969,956.26/11,394.71
  6. Step 6: Final answer
    x = 9,212.17

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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.