Home / 11,750.95-17,622.96-3,428.35

Finding the Fourth Proportional to 11,750.95, 17,622.96 and 3,428.35

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Solution

The fourth proportional to 11,750.95, 17,622.96 and 3,428.35 is: 5,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.95 : 17,622.96 = 3,428.35 : x
  2. Step 2: Convert to fraction form
    11,750.95/17,622.96 = 3,428.35/x
  3. Step 3: Cross multiply
    11,750.95x = 17,622.96 × 3,428.35
  4. Step 4: Simplify right side
    11,750.95x = 60,417,618.00
  5. Step 5: Solve for x
    x = 60,417,618.00/11,750.95
  6. Step 6: Final answer
    x = 5,141.51

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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.