Home / 7,387.78-11,086.56-3,492.46

Finding the Fourth Proportional to 7,387.78, 11,086.56 and 3,492.46

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Solution

The fourth proportional to 7,387.78, 11,086.56 and 3,492.46 is: 5,241.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.78 : 11,086.56 = 3,492.46 : x
  2. Step 2: Convert to fraction form
    7,387.78/11,086.56 = 3,492.46/x
  3. Step 3: Cross multiply
    7,387.78x = 11,086.56 × 3,492.46
  4. Step 4: Simplify right side
    7,387.78x = 38,719,367.34
  5. Step 5: Solve for x
    x = 38,719,367.34/7,387.78
  6. Step 6: Final answer
    x = 5,241.00

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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.