Home / 6,913.36-10,380.42-3,955.14

Finding the Fourth Proportional to 6,913.36, 10,380.42 and 3,955.14

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Solution

The fourth proportional to 6,913.36, 10,380.42 and 3,955.14 is: 5,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.36 : 10,380.42 = 3,955.14 : x
  2. Step 2: Convert to fraction form
    6,913.36/10,380.42 = 3,955.14/x
  3. Step 3: Cross multiply
    6,913.36x = 10,380.42 × 3,955.14
  4. Step 4: Simplify right side
    6,913.36x = 41,055,968.63
  5. Step 5: Solve for x
    x = 41,055,968.63/6,913.36
  6. Step 6: Final answer
    x = 5,938.65

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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.