Home / 7,940.04-11,912.58-3,010.08

Finding the Fourth Proportional to 7,940.04, 11,912.58 and 3,010.08

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Solution

The fourth proportional to 7,940.04, 11,912.58 and 3,010.08 is: 4,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.04 : 11,912.58 = 3,010.08 : x
  2. Step 2: Convert to fraction form
    7,940.04/11,912.58 = 3,010.08/x
  3. Step 3: Cross multiply
    7,940.04x = 11,912.58 × 3,010.08
  4. Step 4: Simplify right side
    7,940.04x = 35,857,818.81
  5. Step 5: Solve for x
    x = 35,857,818.81/7,940.04
  6. Step 6: Final answer
    x = 4,516.08

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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.