Home / 9,523.70-13,142.36-5,274.51

Finding the Fourth Proportional to 9,523.70, 13,142.36 and 5,274.51

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Solution

The fourth proportional to 9,523.70, 13,142.36 and 5,274.51 is: 7,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,523.70 : 13,142.36 = 5,274.51 : x
  2. Step 2: Convert to fraction form
    9,523.70/13,142.36 = 5,274.51/x
  3. Step 3: Cross multiply
    9,523.70x = 13,142.36 × 5,274.51
  4. Step 4: Simplify right side
    9,523.70x = 69,319,509.24
  5. Step 5: Solve for x
    x = 69,319,509.24/9,523.70
  6. Step 6: Final answer
    x = 7,278.63

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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.