Home / 11,782.48-17,642.12-6,224.28

Finding the Fourth Proportional to 11,782.48, 17,642.12 and 6,224.28

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Solution

The fourth proportional to 11,782.48, 17,642.12 and 6,224.28 is: 9,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.48 : 17,642.12 = 6,224.28 : x
  2. Step 2: Convert to fraction form
    11,782.48/17,642.12 = 6,224.28/x
  3. Step 3: Cross multiply
    11,782.48x = 17,642.12 × 6,224.28
  4. Step 4: Simplify right side
    11,782.48x = 109,809,494.67
  5. Step 5: Solve for x
    x = 109,809,494.67/11,782.48
  6. Step 6: Final answer
    x = 9,319.73

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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.