Home / 11,178.06-15,419.93-7,593.20

Finding the Fourth Proportional to 11,178.06, 15,419.93 and 7,593.20

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Solution

The fourth proportional to 11,178.06, 15,419.93 and 7,593.20 is: 10,474.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.06 : 15,419.93 = 7,593.20 : x
  2. Step 2: Convert to fraction form
    11,178.06/15,419.93 = 7,593.20/x
  3. Step 3: Cross multiply
    11,178.06x = 15,419.93 × 7,593.20
  4. Step 4: Simplify right side
    11,178.06x = 117,086,612.48
  5. Step 5: Solve for x
    x = 117,086,612.48/11,178.06
  6. Step 6: Final answer
    x = 10,474.68

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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.