Home / 9,816.82-13,549.06-5,625.06

Finding the Fourth Proportional to 9,816.82, 13,549.06 and 5,625.06

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Solution

The fourth proportional to 9,816.82, 13,549.06 and 5,625.06 is: 7,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.82 : 13,549.06 = 5,625.06 : x
  2. Step 2: Convert to fraction form
    9,816.82/13,549.06 = 5,625.06/x
  3. Step 3: Cross multiply
    9,816.82x = 13,549.06 × 5,625.06
  4. Step 4: Simplify right side
    9,816.82x = 76,214,275.44
  5. Step 5: Solve for x
    x = 76,214,275.44/9,816.82
  6. Step 6: Final answer
    x = 7,763.64

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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.