Home / 6,788.18-9,369.20-4,135.02

Finding the Fourth Proportional to 6,788.18, 9,369.20 and 4,135.02

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Solution

The fourth proportional to 6,788.18, 9,369.20 and 4,135.02 is: 5,707.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.18 : 9,369.20 = 4,135.02 : x
  2. Step 2: Convert to fraction form
    6,788.18/9,369.20 = 4,135.02/x
  3. Step 3: Cross multiply
    6,788.18x = 9,369.20 × 4,135.02
  4. Step 4: Simplify right side
    6,788.18x = 38,741,829.38
  5. Step 5: Solve for x
    x = 38,741,829.38/6,788.18
  6. Step 6: Final answer
    x = 5,707.25

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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.