Home / 9,961.44-13,746.60-5,485.10

Finding the Fourth Proportional to 9,961.44, 13,746.60 and 5,485.10

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Solution

The fourth proportional to 9,961.44, 13,746.60 and 5,485.10 is: 7,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.44 : 13,746.60 = 5,485.10 : x
  2. Step 2: Convert to fraction form
    9,961.44/13,746.60 = 5,485.10/x
  3. Step 3: Cross multiply
    9,961.44x = 13,746.60 × 5,485.10
  4. Step 4: Simplify right side
    9,961.44x = 75,401,406.93
  5. Step 5: Solve for x
    x = 75,401,406.93/9,961.44
  6. Step 6: Final answer
    x = 7,569.33

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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.