Home / 9,334.31-12,881.21-5,355.33

Finding the Fourth Proportional to 9,334.31, 12,881.21 and 5,355.33

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Solution

The fourth proportional to 9,334.31, 12,881.21 and 5,355.33 is: 7,390.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.31 : 12,881.21 = 5,355.33 : x
  2. Step 2: Convert to fraction form
    9,334.31/12,881.21 = 5,355.33/x
  3. Step 3: Cross multiply
    9,334.31x = 12,881.21 × 5,355.33
  4. Step 4: Simplify right side
    9,334.31x = 68,983,103.57
  5. Step 5: Solve for x
    x = 68,983,103.57/9,334.31
  6. Step 6: Final answer
    x = 7,390.28

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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.