Home / 7,388.02-11,087.28-4,103.74

Finding the Fourth Proportional to 7,388.02, 11,087.28 and 4,103.74

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Solution

The fourth proportional to 7,388.02, 11,087.28 and 4,103.74 is: 6,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.02 : 11,087.28 = 4,103.74 : x
  2. Step 2: Convert to fraction form
    7,388.02/11,087.28 = 4,103.74/x
  3. Step 3: Cross multiply
    7,388.02x = 11,087.28 × 4,103.74
  4. Step 4: Simplify right side
    7,388.02x = 45,499,314.43
  5. Step 5: Solve for x
    x = 45,499,314.43/7,388.02
  6. Step 6: Final answer
    x = 6,158.53

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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.