Home / 9,769.10-13,481.08-5,735.86

Finding the Fourth Proportional to 9,769.10, 13,481.08 and 5,735.86

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Solution

The fourth proportional to 9,769.10, 13,481.08 and 5,735.86 is: 7,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769.10 : 13,481.08 = 5,735.86 : x
  2. Step 2: Convert to fraction form
    9,769.10/13,481.08 = 5,735.86/x
  3. Step 3: Cross multiply
    9,769.10x = 13,481.08 × 5,735.86
  4. Step 4: Simplify right side
    9,769.10x = 77,325,587.53
  5. Step 5: Solve for x
    x = 77,325,587.53/9,769.10
  6. Step 6: Final answer
    x = 7,915.32

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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.