Home / 11,359.80-17,032.70-4,782.60

Finding the Fourth Proportional to 11,359.80, 17,032.70 and 4,782.60

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Solution

The fourth proportional to 11,359.80, 17,032.70 and 4,782.60 is: 7,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.80 : 17,032.70 = 4,782.60 : x
  2. Step 2: Convert to fraction form
    11,359.80/17,032.70 = 4,782.60/x
  3. Step 3: Cross multiply
    11,359.80x = 17,032.70 × 4,782.60
  4. Step 4: Simplify right side
    11,359.80x = 81,460,591.02
  5. Step 5: Solve for x
    x = 81,460,591.02/11,359.80
  6. Step 6: Final answer
    x = 7,170.95

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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.