Home / 6,715.10-9,266.96-3,882.56

Finding the Fourth Proportional to 6,715.10, 9,266.96 and 3,882.56

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Solution

The fourth proportional to 6,715.10, 9,266.96 and 3,882.56 is: 5,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.10 : 9,266.96 = 3,882.56 : x
  2. Step 2: Convert to fraction form
    6,715.10/9,266.96 = 3,882.56/x
  3. Step 3: Cross multiply
    6,715.10x = 9,266.96 × 3,882.56
  4. Step 4: Simplify right side
    6,715.10x = 35,979,528.22
  5. Step 5: Solve for x
    x = 35,979,528.22/6,715.10
  6. Step 6: Final answer
    x = 5,358.00

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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.