Home / 13,174.96-18,181.36-7,206.52

Finding the Fourth Proportional to 13,174.96, 18,181.36 and 7,206.52

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Solution

The fourth proportional to 13,174.96, 18,181.36 and 7,206.52 is: 9,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.96 : 18,181.36 = 7,206.52 : x
  2. Step 2: Convert to fraction form
    13,174.96/18,181.36 = 7,206.52/x
  3. Step 3: Cross multiply
    13,174.96x = 18,181.36 × 7,206.52
  4. Step 4: Simplify right side
    13,174.96x = 131,024,334.47
  5. Step 5: Solve for x
    x = 131,024,334.47/13,174.96
  6. Step 6: Final answer
    x = 9,944.95

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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.