Home / 11,093.64-15,305.53-7,318.68

Finding the Fourth Proportional to 11,093.64, 15,305.53 and 7,318.68

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Solution

The fourth proportional to 11,093.64, 15,305.53 and 7,318.68 is: 10,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,093.64 : 15,305.53 = 7,318.68 : x
  2. Step 2: Convert to fraction form
    11,093.64/15,305.53 = 7,318.68/x
  3. Step 3: Cross multiply
    11,093.64x = 15,305.53 × 7,318.68
  4. Step 4: Simplify right side
    11,093.64x = 112,016,276.30
  5. Step 5: Solve for x
    x = 112,016,276.30/11,093.64
  6. Step 6: Final answer
    x = 10,097.34

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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.