Home / 11,080.79-15,289.97-6,365.07

Finding the Fourth Proportional to 11,080.79, 15,289.97 and 6,365.07

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Solution

The fourth proportional to 11,080.79, 15,289.97 and 6,365.07 is: 8,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.79 : 15,289.97 = 6,365.07 : x
  2. Step 2: Convert to fraction form
    11,080.79/15,289.97 = 6,365.07/x
  3. Step 3: Cross multiply
    11,080.79x = 15,289.97 × 6,365.07
  4. Step 4: Simplify right side
    11,080.79x = 97,321,675.99
  5. Step 5: Solve for x
    x = 97,321,675.99/11,080.79
  6. Step 6: Final answer
    x = 8,782.92

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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.