Home / 11,195.03-15,446.48-7,211.45

Finding the Fourth Proportional to 11,195.03, 15,446.48 and 7,211.45

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Solution

The fourth proportional to 11,195.03, 15,446.48 and 7,211.45 is: 9,950.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.03 : 15,446.48 = 7,211.45 : x
  2. Step 2: Convert to fraction form
    11,195.03/15,446.48 = 7,211.45/x
  3. Step 3: Cross multiply
    11,195.03x = 15,446.48 × 7,211.45
  4. Step 4: Simplify right side
    11,195.03x = 111,391,404.91
  5. Step 5: Solve for x
    x = 111,391,404.91/11,195.03
  6. Step 6: Final answer
    x = 9,950.08

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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.