Home / 11,174.70-15,418.95-7,195.02

Finding the Fourth Proportional to 11,174.70, 15,418.95 and 7,195.02

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Solution

The fourth proportional to 11,174.70, 15,418.95 and 7,195.02 is: 9,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,174.70 : 15,418.95 = 7,195.02 : x
  2. Step 2: Convert to fraction form
    11,174.70/15,418.95 = 7,195.02/x
  3. Step 3: Cross multiply
    11,174.70x = 15,418.95 × 7,195.02
  4. Step 4: Simplify right side
    11,174.70x = 110,939,653.63
  5. Step 5: Solve for x
    x = 110,939,653.63/11,174.70
  6. Step 6: Final answer
    x = 9,927.75

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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.