Home / 11,150.64-15,383.08-6,951.60

Finding the Fourth Proportional to 11,150.64, 15,383.08 and 6,951.60

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Solution

The fourth proportional to 11,150.64, 15,383.08 and 6,951.60 is: 9,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.64 : 15,383.08 = 6,951.60 : x
  2. Step 2: Convert to fraction form
    11,150.64/15,383.08 = 6,951.60/x
  3. Step 3: Cross multiply
    11,150.64x = 15,383.08 × 6,951.60
  4. Step 4: Simplify right side
    11,150.64x = 106,937,018.93
  5. Step 5: Solve for x
    x = 106,937,018.93/11,150.64
  6. Step 6: Final answer
    x = 9,590.21

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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.