Home / 9,738.53-13,439.20-5,262.31

Finding the Fourth Proportional to 9,738.53, 13,439.20 and 5,262.31

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Solution

The fourth proportional to 9,738.53, 13,439.20 and 5,262.31 is: 7,262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,738.53 : 13,439.20 = 5,262.31 : x
  2. Step 2: Convert to fraction form
    9,738.53/13,439.20 = 5,262.31/x
  3. Step 3: Cross multiply
    9,738.53x = 13,439.20 × 5,262.31
  4. Step 4: Simplify right side
    9,738.53x = 70,721,236.55
  5. Step 5: Solve for x
    x = 70,721,236.55/9,738.53
  6. Step 6: Final answer
    x = 7,262.01

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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.