Home / 8,845.56-12,206.76-5,119.56

Finding the Fourth Proportional to 8,845.56, 12,206.76 and 5,119.56

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Solution

The fourth proportional to 8,845.56, 12,206.76 and 5,119.56 is: 7,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.56 : 12,206.76 = 5,119.56 : x
  2. Step 2: Convert to fraction form
    8,845.56/12,206.76 = 5,119.56/x
  3. Step 3: Cross multiply
    8,845.56x = 12,206.76 × 5,119.56
  4. Step 4: Simplify right side
    8,845.56x = 62,493,240.23
  5. Step 5: Solve for x
    x = 62,493,240.23/8,845.56
  6. Step 6: Final answer
    x = 7,064.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.