Home / 13,174.63-18,180.73-7,206.28

Finding the Fourth Proportional to 13,174.63, 18,180.73 and 7,206.28

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Solution

The fourth proportional to 13,174.63, 18,180.73 and 7,206.28 is: 9,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.63 : 18,180.73 = 7,206.28 : x
  2. Step 2: Convert to fraction form
    13,174.63/18,180.73 = 7,206.28/x
  3. Step 3: Cross multiply
    13,174.63x = 18,180.73 × 7,206.28
  4. Step 4: Simplify right side
    13,174.63x = 131,015,430.98
  5. Step 5: Solve for x
    x = 131,015,430.98/13,174.63
  6. Step 6: Final answer
    x = 9,944.52

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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.