Home / 9,523.91-13,142.31-5,274.56

Finding the Fourth Proportional to 9,523.91, 13,142.31 and 5,274.56

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Solution

The fourth proportional to 9,523.91, 13,142.31 and 5,274.56 is: 7,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,523.91 : 13,142.31 = 5,274.56 : x
  2. Step 2: Convert to fraction form
    9,523.91/13,142.31 = 5,274.56/x
  3. Step 3: Cross multiply
    9,523.91x = 13,142.31 × 5,274.56
  4. Step 4: Simplify right side
    9,523.91x = 69,319,902.63
  5. Step 5: Solve for x
    x = 69,319,902.63/9,523.91
  6. Step 6: Final answer
    x = 7,278.51

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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.