Home / 9,029.02-13,539.36-2,786.86

Finding the Fourth Proportional to 9,029.02, 13,539.36 and 2,786.86

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Solution

The fourth proportional to 9,029.02, 13,539.36 and 2,786.86 is: 4,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.02 : 13,539.36 = 2,786.86 : x
  2. Step 2: Convert to fraction form
    9,029.02/13,539.36 = 2,786.86/x
  3. Step 3: Cross multiply
    9,029.02x = 13,539.36 × 2,786.86
  4. Step 4: Simplify right side
    9,029.02x = 37,732,300.81
  5. Step 5: Solve for x
    x = 37,732,300.81/9,029.02
  6. Step 6: Final answer
    x = 4,179.00

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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.