Home / 8,267.81-11,405.03-5,237.38

Finding the Fourth Proportional to 8,267.81, 11,405.03 and 5,237.38

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Solution

The fourth proportional to 8,267.81, 11,405.03 and 5,237.38 is: 7,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.81 : 11,405.03 = 5,237.38 : x
  2. Step 2: Convert to fraction form
    8,267.81/11,405.03 = 5,237.38/x
  3. Step 3: Cross multiply
    8,267.81x = 11,405.03 × 5,237.38
  4. Step 4: Simplify right side
    8,267.81x = 59,732,476.02
  5. Step 5: Solve for x
    x = 59,732,476.02/8,267.81
  6. Step 6: Final answer
    x = 7,224.70

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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.