Home / 9,960.05-13,745.43-5,484.75

Finding the Fourth Proportional to 9,960.05, 13,745.43 and 5,484.75

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Solution

The fourth proportional to 9,960.05, 13,745.43 and 5,484.75 is: 7,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.05 : 13,745.43 = 5,484.75 : x
  2. Step 2: Convert to fraction form
    9,960.05/13,745.43 = 5,484.75/x
  3. Step 3: Cross multiply
    9,960.05x = 13,745.43 × 5,484.75
  4. Step 4: Simplify right side
    9,960.05x = 75,390,247.19
  5. Step 5: Solve for x
    x = 75,390,247.19/9,960.05
  6. Step 6: Final answer
    x = 7,569.27

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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.