Home / 12,501.47-17,251.39-6,911.39

Finding the Fourth Proportional to 12,501.47, 17,251.39 and 6,911.39

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Solution

The fourth proportional to 12,501.47, 17,251.39 and 6,911.39 is: 9,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.47 : 17,251.39 = 6,911.39 : x
  2. Step 2: Convert to fraction form
    12,501.47/17,251.39 = 6,911.39/x
  3. Step 3: Cross multiply
    12,501.47x = 17,251.39 × 6,911.39
  4. Step 4: Simplify right side
    12,501.47x = 119,231,084.33
  5. Step 5: Solve for x
    x = 119,231,084.33/12,501.47
  6. Step 6: Final answer
    x = 9,537.37

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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.