Home / 6,118.93-8,440.36-5,334.85

Finding the Fourth Proportional to 6,118.93, 8,440.36 and 5,334.85

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Solution

The fourth proportional to 6,118.93, 8,440.36 and 5,334.85 is: 7,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,118.93 : 8,440.36 = 5,334.85 : x
  2. Step 2: Convert to fraction form
    6,118.93/8,440.36 = 5,334.85/x
  3. Step 3: Cross multiply
    6,118.93x = 8,440.36 × 5,334.85
  4. Step 4: Simplify right side
    6,118.93x = 45,028,054.55
  5. Step 5: Solve for x
    x = 45,028,054.55/6,118.93
  6. Step 6: Final answer
    x = 7,358.81

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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.