Home / 13,268.17-18,311.37-7,301.00

Finding the Fourth Proportional to 13,268.17, 18,311.37 and 7,301.00

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Solution

The fourth proportional to 13,268.17, 18,311.37 and 7,301.00 is: 10,076.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.17 : 18,311.37 = 7,301.00 : x
  2. Step 2: Convert to fraction form
    13,268.17/18,311.37 = 7,301.00/x
  3. Step 3: Cross multiply
    13,268.17x = 18,311.37 × 7,301.00
  4. Step 4: Simplify right side
    13,268.17x = 133,691,330.77
  5. Step 5: Solve for x
    x = 133,691,330.77/13,268.17
  6. Step 6: Final answer
    x = 10,076.09

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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.