Home / 11,730.52-17,572.55-7,274.05

Finding the Fourth Proportional to 11,730.52, 17,572.55 and 7,274.05

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Solution

The fourth proportional to 11,730.52, 17,572.55 and 7,274.05 is: 10,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.52 : 17,572.55 = 7,274.05 : x
  2. Step 2: Convert to fraction form
    11,730.52/17,572.55 = 7,274.05/x
  3. Step 3: Cross multiply
    11,730.52x = 17,572.55 × 7,274.05
  4. Step 4: Simplify right side
    11,730.52x = 127,823,625.87
  5. Step 5: Solve for x
    x = 127,823,625.87/11,730.52
  6. Step 6: Final answer
    x = 10,896.67

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1.5x scale

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.