Home / 6,986.41-10,477.53-2,054.86

Finding the Fourth Proportional to 6,986.41, 10,477.53 and 2,054.86

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Solution

The fourth proportional to 6,986.41, 10,477.53 and 2,054.86 is: 3,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.41 : 10,477.53 = 2,054.86 : x
  2. Step 2: Convert to fraction form
    6,986.41/10,477.53 = 2,054.86/x
  3. Step 3: Cross multiply
    6,986.41x = 10,477.53 × 2,054.86
  4. Step 4: Simplify right side
    6,986.41x = 21,529,831.10
  5. Step 5: Solve for x
    x = 21,529,831.10/6,986.41
  6. Step 6: Final answer
    x = 3,081.67

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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.