Home / 11,645.45-17,470.74-3,325.28

Finding the Fourth Proportional to 11,645.45, 17,470.74 and 3,325.28

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Solution

The fourth proportional to 11,645.45, 17,470.74 and 3,325.28 is: 4,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.45 : 17,470.74 = 3,325.28 : x
  2. Step 2: Convert to fraction form
    11,645.45/17,470.74 = 3,325.28/x
  3. Step 3: Cross multiply
    11,645.45x = 17,470.74 × 3,325.28
  4. Step 4: Simplify right side
    11,645.45x = 58,095,102.31
  5. Step 5: Solve for x
    x = 58,095,102.31/11,645.45
  6. Step 6: Final answer
    x = 4,988.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.