Home / 8,145.44-11,239.80-4,607.96

Finding the Fourth Proportional to 8,145.44, 11,239.80 and 4,607.96

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Solution

The fourth proportional to 8,145.44, 11,239.80 and 4,607.96 is: 6,358.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.44 : 11,239.80 = 4,607.96 : x
  2. Step 2: Convert to fraction form
    8,145.44/11,239.80 = 4,607.96/x
  3. Step 3: Cross multiply
    8,145.44x = 11,239.80 × 4,607.96
  4. Step 4: Simplify right side
    8,145.44x = 51,792,548.81
  5. Step 5: Solve for x
    x = 51,792,548.81/8,145.44
  6. Step 6: Final answer
    x = 6,358.47

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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.