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Finding the Fourth Proportional to 9,371.07, 12,932.06 and 5,392.97

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Solution

The fourth proportional to 9,371.07, 12,932.06 and 5,392.97 is: 7,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,371.07 : 12,932.06 = 5,392.97 : x
  2. Step 2: Convert to fraction form
    9,371.07/12,932.06 = 5,392.97/x
  3. Step 3: Cross multiply
    9,371.07x = 12,932.06 × 5,392.97
  4. Step 4: Simplify right side
    9,371.07x = 69,742,119.99
  5. Step 5: Solve for x
    x = 69,742,119.99/9,371.07
  6. Step 6: Final answer
    x = 7,442.28

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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.