Home / 9,816.32-13,549.44-5,627.36

Finding the Fourth Proportional to 9,816.32, 13,549.44 and 5,627.36

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Solution

The fourth proportional to 9,816.32, 13,549.44 and 5,627.36 is: 7,767.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.32 : 13,549.44 = 5,627.36 : x
  2. Step 2: Convert to fraction form
    9,816.32/13,549.44 = 5,627.36/x
  3. Step 3: Cross multiply
    9,816.32x = 13,549.44 × 5,627.36
  4. Step 4: Simplify right side
    9,816.32x = 76,247,576.68
  5. Step 5: Solve for x
    x = 76,247,576.68/9,816.32
  6. Step 6: Final answer
    x = 7,767.43

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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.