Home / 7,434.75-11,156.45-3,330.75

Finding the Fourth Proportional to 7,434.75, 11,156.45 and 3,330.75

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Solution

The fourth proportional to 7,434.75, 11,156.45 and 3,330.75 is: 4,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.75 : 11,156.45 = 3,330.75 : x
  2. Step 2: Convert to fraction form
    7,434.75/11,156.45 = 3,330.75/x
  3. Step 3: Cross multiply
    7,434.75x = 11,156.45 × 3,330.75
  4. Step 4: Simplify right side
    7,434.75x = 37,159,329.18
  5. Step 5: Solve for x
    x = 37,159,329.18/7,434.75
  6. Step 6: Final answer
    x = 4,998.06

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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.