Home / 11,420.60-17,133.34-4,849.88

Finding the Fourth Proportional to 11,420.60, 17,133.34 and 4,849.88

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Solution

The fourth proportional to 11,420.60, 17,133.34 and 4,849.88 is: 7,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.60 : 17,133.34 = 4,849.88 : x
  2. Step 2: Convert to fraction form
    11,420.60/17,133.34 = 4,849.88/x
  3. Step 3: Cross multiply
    11,420.60x = 17,133.34 × 4,849.88
  4. Step 4: Simplify right side
    11,420.60x = 83,094,643.00
  5. Step 5: Solve for x
    x = 83,094,643.00/11,420.60
  6. Step 6: Final answer
    x = 7,275.86

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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.