Home / 11,350.40-17,025.68-3,955.00

Finding the Fourth Proportional to 11,350.40, 17,025.68 and 3,955.00

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Solution

The fourth proportional to 11,350.40, 17,025.68 and 3,955.00 is: 5,932.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.40 : 17,025.68 = 3,955.00 : x
  2. Step 2: Convert to fraction form
    11,350.40/17,025.68 = 3,955.00/x
  3. Step 3: Cross multiply
    11,350.40x = 17,025.68 × 3,955.00
  4. Step 4: Simplify right side
    11,350.40x = 67,336,541.40
  5. Step 5: Solve for x
    x = 67,336,541.40/11,350.40
  6. Step 6: Final answer
    x = 5,932.53

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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.