Home / 7,729.96-10,667.36-4,193.18

Finding the Fourth Proportional to 7,729.96, 10,667.36 and 4,193.18

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Solution

The fourth proportional to 7,729.96, 10,667.36 and 4,193.18 is: 5,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.96 : 10,667.36 = 4,193.18 : x
  2. Step 2: Convert to fraction form
    7,729.96/10,667.36 = 4,193.18/x
  3. Step 3: Cross multiply
    7,729.96x = 10,667.36 × 4,193.18
  4. Step 4: Simplify right side
    7,729.96x = 44,730,160.60
  5. Step 5: Solve for x
    x = 44,730,160.60/7,729.96
  6. Step 6: Final answer
    x = 5,786.60

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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.