Home / 9,682.88-13,362.37-5,491.13

Finding the Fourth Proportional to 9,682.88, 13,362.37 and 5,491.13

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Solution

The fourth proportional to 9,682.88, 13,362.37 and 5,491.13 is: 7,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,682.88 : 13,362.37 = 5,491.13 : x
  2. Step 2: Convert to fraction form
    9,682.88/13,362.37 = 5,491.13/x
  3. Step 3: Cross multiply
    9,682.88x = 13,362.37 × 5,491.13
  4. Step 4: Simplify right side
    9,682.88x = 73,374,430.24
  5. Step 5: Solve for x
    x = 73,374,430.24/9,682.88
  6. Step 6: Final answer
    x = 7,577.75

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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.