Home / 11,093.39-15,305.19-7,318.43

Finding the Fourth Proportional to 11,093.39, 15,305.19 and 7,318.43

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Solution

The fourth proportional to 11,093.39, 15,305.19 and 7,318.43 is: 10,097.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,093.39 : 15,305.19 = 7,318.43 : x
  2. Step 2: Convert to fraction form
    11,093.39/15,305.19 = 7,318.43/x
  3. Step 3: Cross multiply
    11,093.39x = 15,305.19 × 7,318.43
  4. Step 4: Simplify right side
    11,093.39x = 112,009,885.13
  5. Step 5: Solve for x
    x = 112,009,885.13/11,093.39
  6. Step 6: Final answer
    x = 10,097.00

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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.