Home / 7,316.17-10,974.60-2,385.80

Finding the Fourth Proportional to 7,316.17, 10,974.60 and 2,385.80

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Solution

The fourth proportional to 7,316.17, 10,974.60 and 2,385.80 is: 3,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.17 : 10,974.60 = 2,385.80 : x
  2. Step 2: Convert to fraction form
    7,316.17/10,974.60 = 2,385.80/x
  3. Step 3: Cross multiply
    7,316.17x = 10,974.60 × 2,385.80
  4. Step 4: Simplify right side
    7,316.17x = 26,183,145.81
  5. Step 5: Solve for x
    x = 26,183,145.81/7,316.17
  6. Step 6: Final answer
    x = 3,578.81

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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.