Home / 9,838.39-13,576.47-5,361.85

Finding the Fourth Proportional to 9,838.39, 13,576.47 and 5,361.85

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Solution

The fourth proportional to 9,838.39, 13,576.47 and 5,361.85 is: 7,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,838.39 : 13,576.47 = 5,361.85 : x
  2. Step 2: Convert to fraction form
    9,838.39/13,576.47 = 5,361.85/x
  3. Step 3: Cross multiply
    9,838.39x = 13,576.47 × 5,361.85
  4. Step 4: Simplify right side
    9,838.39x = 72,794,995.67
  5. Step 5: Solve for x
    x = 72,794,995.67/9,838.39
  6. Step 6: Final answer
    x = 7,399.08

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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.