Home / 8,739.64-12,061.74-5,014.36

Finding the Fourth Proportional to 8,739.64, 12,061.74 and 5,014.36

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Solution

The fourth proportional to 8,739.64, 12,061.74 and 5,014.36 is: 6,920.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.64 : 12,061.74 = 5,014.36 : x
  2. Step 2: Convert to fraction form
    8,739.64/12,061.74 = 5,014.36/x
  3. Step 3: Cross multiply
    8,739.64x = 12,061.74 × 5,014.36
  4. Step 4: Simplify right side
    8,739.64x = 60,481,906.59
  5. Step 5: Solve for x
    x = 60,481,906.59/8,739.64
  6. Step 6: Final answer
    x = 6,920.41

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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.