Home / 9,963.24-13,749.26-5,487.12

Finding the Fourth Proportional to 9,963.24, 13,749.26 and 5,487.12

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Solution

The fourth proportional to 9,963.24, 13,749.26 and 5,487.12 is: 7,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.24 : 13,749.26 = 5,487.12 : x
  2. Step 2: Convert to fraction form
    9,963.24/13,749.26 = 5,487.12/x
  3. Step 3: Cross multiply
    9,963.24x = 13,749.26 × 5,487.12
  4. Step 4: Simplify right side
    9,963.24x = 75,443,839.53
  5. Step 5: Solve for x
    x = 75,443,839.53/9,963.24
  6. Step 6: Final answer
    x = 7,572.22

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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.