Home / 8,432.88-11,634.93-5,450.46

Finding the Fourth Proportional to 8,432.88, 11,634.93 and 5,450.46

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Solution

The fourth proportional to 8,432.88, 11,634.93 and 5,450.46 is: 7,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.88 : 11,634.93 = 5,450.46 : x
  2. Step 2: Convert to fraction form
    8,432.88/11,634.93 = 5,450.46/x
  3. Step 3: Cross multiply
    8,432.88x = 11,634.93 × 5,450.46
  4. Step 4: Simplify right side
    8,432.88x = 63,415,720.57
  5. Step 5: Solve for x
    x = 63,415,720.57/8,432.88
  6. Step 6: Final answer
    x = 7,520.05

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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.