Home / 7,010.75-10,516.16-1,816.63

Finding the Fourth Proportional to 7,010.75, 10,516.16 and 1,816.63

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Solution

The fourth proportional to 7,010.75, 10,516.16 and 1,816.63 is: 2,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.75 : 10,516.16 = 1,816.63 : x
  2. Step 2: Convert to fraction form
    7,010.75/10,516.16 = 1,816.63/x
  3. Step 3: Cross multiply
    7,010.75x = 10,516.16 × 1,816.63
  4. Step 4: Simplify right side
    7,010.75x = 19,103,949.99
  5. Step 5: Solve for x
    x = 19,103,949.99/7,010.75
  6. Step 6: Final answer
    x = 2,724.95

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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.