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Finding the Fourth Proportional to 11,308.39, 15,604.39 and 6,526.71

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Solution

The fourth proportional to 11,308.39, 15,604.39 and 6,526.71 is: 9,006.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.39 : 15,604.39 = 6,526.71 : x
  2. Step 2: Convert to fraction form
    11,308.39/15,604.39 = 6,526.71/x
  3. Step 3: Cross multiply
    11,308.39x = 15,604.39 × 6,526.71
  4. Step 4: Simplify right side
    11,308.39x = 101,845,328.26
  5. Step 5: Solve for x
    x = 101,845,328.26/11,308.39
  6. Step 6: Final answer
    x = 9,006.17

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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.