Home / 11,185.99-15,435.42-6,709.93

Finding the Fourth Proportional to 11,185.99, 15,435.42 and 6,709.93

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Solution

The fourth proportional to 11,185.99, 15,435.42 and 6,709.93 is: 9,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.99 : 15,435.42 = 6,709.93 : x
  2. Step 2: Convert to fraction form
    11,185.99/15,435.42 = 6,709.93/x
  3. Step 3: Cross multiply
    11,185.99x = 15,435.42 × 6,709.93
  4. Step 4: Simplify right side
    11,185.99x = 103,570,510.54
  5. Step 5: Solve for x
    x = 103,570,510.54/11,185.99
  6. Step 6: Final answer
    x = 9,258.95

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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.