Home / 7,105.51-10,647.33-4,180.60

Finding the Fourth Proportional to 7,105.51, 10,647.33 and 4,180.60

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Solution

The fourth proportional to 7,105.51, 10,647.33 and 4,180.60 is: 6,264.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.51 : 10,647.33 = 4,180.60 : x
  2. Step 2: Convert to fraction form
    7,105.51/10,647.33 = 4,180.60/x
  3. Step 3: Cross multiply
    7,105.51x = 10,647.33 × 4,180.60
  4. Step 4: Simplify right side
    7,105.51x = 44,512,227.80
  5. Step 5: Solve for x
    x = 44,512,227.80/7,105.51
  6. Step 6: Final answer
    x = 6,264.47

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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.