Home / 7,316.10-10,974.12-2,930.42

Finding the Fourth Proportional to 7,316.10, 10,974.12 and 2,930.42

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Solution

The fourth proportional to 7,316.10, 10,974.12 and 2,930.42 is: 4,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.10 : 10,974.12 = 2,930.42 : x
  2. Step 2: Convert to fraction form
    7,316.10/10,974.12 = 2,930.42/x
  3. Step 3: Cross multiply
    7,316.10x = 10,974.12 × 2,930.42
  4. Step 4: Simplify right side
    7,316.10x = 32,158,780.73
  5. Step 5: Solve for x
    x = 32,158,780.73/7,316.10
  6. Step 6: Final answer
    x = 4,395.62

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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.