Home / 9,650.60-13,318.07-5,671.92

Finding the Fourth Proportional to 9,650.60, 13,318.07 and 5,671.92

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Solution

The fourth proportional to 9,650.60, 13,318.07 and 5,671.92 is: 7,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,650.60 : 13,318.07 = 5,671.92 : x
  2. Step 2: Convert to fraction form
    9,650.60/13,318.07 = 5,671.92/x
  3. Step 3: Cross multiply
    9,650.60x = 13,318.07 × 5,671.92
  4. Step 4: Simplify right side
    9,650.60x = 75,539,020.50
  5. Step 5: Solve for x
    x = 75,539,020.50/9,650.60
  6. Step 6: Final answer
    x = 7,827.40

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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.