Home / 6,986.32-10,477.38-2,543.41

Finding the Fourth Proportional to 6,986.32, 10,477.38 and 2,543.41

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Solution

The fourth proportional to 6,986.32, 10,477.38 and 2,543.41 is: 3,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.32 : 10,477.38 = 2,543.41 : x
  2. Step 2: Convert to fraction form
    6,986.32/10,477.38 = 2,543.41/x
  3. Step 3: Cross multiply
    6,986.32x = 10,477.38 × 2,543.41
  4. Step 4: Simplify right side
    6,986.32x = 26,648,273.07
  5. Step 5: Solve for x
    x = 26,648,273.07/6,986.32
  6. Step 6: Final answer
    x = 3,814.35

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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.