Home / 27,710.10-41,572.44-7,990.25

Finding the Fourth Proportional to 27,710.10, 41,572.44 and 7,990.25

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Solution

The fourth proportional to 27,710.10, 41,572.44 and 7,990.25 is: 11,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,710.10 : 41,572.44 = 7,990.25 : x
  2. Step 2: Convert to fraction form
    27,710.10/41,572.44 = 7,990.25/x
  3. Step 3: Cross multiply
    27,710.10x = 41,572.44 × 7,990.25
  4. Step 4: Simplify right side
    27,710.10x = 332,173,980.85
  5. Step 5: Solve for x
    x = 332,173,980.85/27,710.10
  6. Step 6: Final answer
    x = 11,987.47

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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.