Home / 11,092.71-15,303.09-7,311.03

Finding the Fourth Proportional to 11,092.71, 15,303.09 and 7,311.03

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Solution

The fourth proportional to 11,092.71, 15,303.09 and 7,311.03 is: 10,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,092.71 : 15,303.09 = 7,311.03 : x
  2. Step 2: Convert to fraction form
    11,092.71/15,303.09 = 7,311.03/x
  3. Step 3: Cross multiply
    11,092.71x = 15,303.09 × 7,311.03
  4. Step 4: Simplify right side
    11,092.71x = 111,881,350.08
  5. Step 5: Solve for x
    x = 111,881,350.08/11,092.71
  6. Step 6: Final answer
    x = 10,086.02

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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.