Home / 8,272.53-11,422.06-5,090.11

Finding the Fourth Proportional to 8,272.53, 11,422.06 and 5,090.11

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Solution

The fourth proportional to 8,272.53, 11,422.06 and 5,090.11 is: 7,028.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.53 : 11,422.06 = 5,090.11 : x
  2. Step 2: Convert to fraction form
    8,272.53/11,422.06 = 5,090.11/x
  3. Step 3: Cross multiply
    8,272.53x = 11,422.06 × 5,090.11
  4. Step 4: Simplify right side
    8,272.53x = 58,139,541.83
  5. Step 5: Solve for x
    x = 58,139,541.83/8,272.53
  6. Step 6: Final answer
    x = 7,028.02

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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.