Home / 9,963.37-13,749.50-5,487.22

Finding the Fourth Proportional to 9,963.37, 13,749.50 and 5,487.22

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Solution

The fourth proportional to 9,963.37, 13,749.50 and 5,487.22 is: 7,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.37 : 13,749.50 = 5,487.22 : x
  2. Step 2: Convert to fraction form
    9,963.37/13,749.50 = 5,487.22/x
  3. Step 3: Cross multiply
    9,963.37x = 13,749.50 × 5,487.22
  4. Step 4: Simplify right side
    9,963.37x = 75,446,531.39
  5. Step 5: Solve for x
    x = 75,446,531.39/9,963.37
  6. Step 6: Final answer
    x = 7,572.39

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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.