Home / 7,902.48-11,852.28-3,519.12

Finding the Fourth Proportional to 7,902.48, 11,852.28 and 3,519.12

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Solution

The fourth proportional to 7,902.48, 11,852.28 and 3,519.12 is: 5,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.48 : 11,852.28 = 3,519.12 : x
  2. Step 2: Convert to fraction form
    7,902.48/11,852.28 = 3,519.12/x
  3. Step 3: Cross multiply
    7,902.48x = 11,852.28 × 3,519.12
  4. Step 4: Simplify right side
    7,902.48x = 41,709,595.59
  5. Step 5: Solve for x
    x = 41,709,595.59/7,902.48
  6. Step 6: Final answer
    x = 5,278.04

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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.