Home / 7,114.06-10,619.75-6,794.54

Finding the Fourth Proportional to 7,114.06, 10,619.75 and 6,794.54

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Solution

The fourth proportional to 7,114.06, 10,619.75 and 6,794.54 is: 10,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.06 : 10,619.75 = 6,794.54 : x
  2. Step 2: Convert to fraction form
    7,114.06/10,619.75 = 6,794.54/x
  3. Step 3: Cross multiply
    7,114.06x = 10,619.75 × 6,794.54
  4. Step 4: Simplify right side
    7,114.06x = 72,156,282.19
  5. Step 5: Solve for x
    x = 72,156,282.19/7,114.06
  6. Step 6: Final answer
    x = 10,142.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.