Home / 8,876.19-12,243.70-5,688.41

Finding the Fourth Proportional to 8,876.19, 12,243.70 and 5,688.41

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Solution

The fourth proportional to 8,876.19, 12,243.70 and 5,688.41 is: 7,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.19 : 12,243.70 = 5,688.41 : x
  2. Step 2: Convert to fraction form
    8,876.19/12,243.70 = 5,688.41/x
  3. Step 3: Cross multiply
    8,876.19x = 12,243.70 × 5,688.41
  4. Step 4: Simplify right side
    8,876.19x = 69,647,185.52
  5. Step 5: Solve for x
    x = 69,647,185.52/8,876.19
  6. Step 6: Final answer
    x = 7,846.52

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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.