Home / 11,310.64-15,609.18-6,274.53

Finding the Fourth Proportional to 11,310.64, 15,609.18 and 6,274.53

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Solution

The fourth proportional to 11,310.64, 15,609.18 and 6,274.53 is: 8,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.64 : 15,609.18 = 6,274.53 : x
  2. Step 2: Convert to fraction form
    11,310.64/15,609.18 = 6,274.53/x
  3. Step 3: Cross multiply
    11,310.64x = 15,609.18 × 6,274.53
  4. Step 4: Simplify right side
    11,310.64x = 97,940,268.19
  5. Step 5: Solve for x
    x = 97,940,268.19/11,310.64
  6. Step 6: Final answer
    x = 8,659.13

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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.