Home / 9,334.43-12,881.38-5,355.46

Finding the Fourth Proportional to 9,334.43, 12,881.38 and 5,355.46

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Solution

The fourth proportional to 9,334.43, 12,881.38 and 5,355.46 is: 7,390.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.43 : 12,881.38 = 5,355.46 : x
  2. Step 2: Convert to fraction form
    9,334.43/12,881.38 = 5,355.46/x
  3. Step 3: Cross multiply
    9,334.43x = 12,881.38 × 5,355.46
  4. Step 4: Simplify right side
    9,334.43x = 68,985,637.54
  5. Step 5: Solve for x
    x = 68,985,637.54/9,334.43
  6. Step 6: Final answer
    x = 7,390.45

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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.