Home / 8,839.12-13,258.80-3,576.64

Finding the Fourth Proportional to 8,839.12, 13,258.80 and 3,576.64

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Solution

The fourth proportional to 8,839.12, 13,258.80 and 3,576.64 is: 5,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.12 : 13,258.80 = 3,576.64 : x
  2. Step 2: Convert to fraction form
    8,839.12/13,258.80 = 3,576.64/x
  3. Step 3: Cross multiply
    8,839.12x = 13,258.80 × 3,576.64
  4. Step 4: Simplify right side
    8,839.12x = 47,421,954.43
  5. Step 5: Solve for x
    x = 47,421,954.43/8,839.12
  6. Step 6: Final answer
    x = 5,365.01

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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.