Home / 11,678.51-17,515.13-3,356.67

Finding the Fourth Proportional to 11,678.51, 17,515.13 and 3,356.67

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Solution

The fourth proportional to 11,678.51, 17,515.13 and 3,356.67 is: 5,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678.51 : 17,515.13 = 3,356.67 : x
  2. Step 2: Convert to fraction form
    11,678.51/17,515.13 = 3,356.67/x
  3. Step 3: Cross multiply
    11,678.51x = 17,515.13 × 3,356.67
  4. Step 4: Simplify right side
    11,678.51x = 58,792,476.02
  5. Step 5: Solve for x
    x = 58,792,476.02/11,678.51
  6. Step 6: Final answer
    x = 5,034.25

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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.