Home / 6,185.10-9,261.81-5,148.30

Finding the Fourth Proportional to 6,185.10, 9,261.81 and 5,148.30

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Solution

The fourth proportional to 6,185.10, 9,261.81 and 5,148.30 is: 7,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,185.10 : 9,261.81 = 5,148.30 : x
  2. Step 2: Convert to fraction form
    6,185.10/9,261.81 = 5,148.30/x
  3. Step 3: Cross multiply
    6,185.10x = 9,261.81 × 5,148.30
  4. Step 4: Simplify right side
    6,185.10x = 47,682,576.42
  5. Step 5: Solve for x
    x = 47,682,576.42/6,185.10
  6. Step 6: Final answer
    x = 7,709.27

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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.