Home / 11,615.85-16,030.44-6,579.81

Finding the Fourth Proportional to 11,615.85, 16,030.44 and 6,579.81

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Solution

The fourth proportional to 11,615.85, 16,030.44 and 6,579.81 is: 9,080.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.85 : 16,030.44 = 6,579.81 : x
  2. Step 2: Convert to fraction form
    11,615.85/16,030.44 = 6,579.81/x
  3. Step 3: Cross multiply
    11,615.85x = 16,030.44 × 6,579.81
  4. Step 4: Simplify right side
    11,615.85x = 105,477,249.42
  5. Step 5: Solve for x
    x = 105,477,249.42/11,615.85
  6. Step 6: Final answer
    x = 9,080.46

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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.