Home / 9,523.96-13,142.40-5,274.71

Finding the Fourth Proportional to 9,523.96, 13,142.40 and 5,274.71

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Solution

The fourth proportional to 9,523.96, 13,142.40 and 5,274.71 is: 7,278.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,523.96 : 13,142.40 = 5,274.71 : x
  2. Step 2: Convert to fraction form
    9,523.96/13,142.40 = 5,274.71/x
  3. Step 3: Cross multiply
    9,523.96x = 13,142.40 × 5,274.71
  4. Step 4: Simplify right side
    9,523.96x = 69,322,348.70
  5. Step 5: Solve for x
    x = 69,322,348.70/9,523.96
  6. Step 6: Final answer
    x = 7,278.74

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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.