Home / 8,373.25-11,555.13-5,231.26

Finding the Fourth Proportional to 8,373.25, 11,555.13 and 5,231.26

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Solution

The fourth proportional to 8,373.25, 11,555.13 and 5,231.26 is: 7,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.25 : 11,555.13 = 5,231.26 : x
  2. Step 2: Convert to fraction form
    8,373.25/11,555.13 = 5,231.26/x
  3. Step 3: Cross multiply
    8,373.25x = 11,555.13 × 5,231.26
  4. Step 4: Simplify right side
    8,373.25x = 60,447,889.36
  5. Step 5: Solve for x
    x = 60,447,889.36/8,373.25
  6. Step 6: Final answer
    x = 7,219.17

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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.