Home / 6,911.72-10,368.60-2,230.19

Finding the Fourth Proportional to 6,911.72, 10,368.60 and 2,230.19

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Solution

The fourth proportional to 6,911.72, 10,368.60 and 2,230.19 is: 3,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.72 : 10,368.60 = 2,230.19 : x
  2. Step 2: Convert to fraction form
    6,911.72/10,368.60 = 2,230.19/x
  3. Step 3: Cross multiply
    6,911.72x = 10,368.60 × 2,230.19
  4. Step 4: Simplify right side
    6,911.72x = 23,123,948.03
  5. Step 5: Solve for x
    x = 23,123,948.03/6,911.72
  6. Step 6: Final answer
    x = 3,345.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.