Home / 11,928.44-16,461.54-6,623

Finding the Fourth Proportional to 11,928.44, 16,461.54 and 6,623

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Solution

The fourth proportional to 11,928.44, 16,461.54 and 6,623 is: 9,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.44 : 16,461.54 = 6,623 : x
  2. Step 2: Convert to fraction form
    11,928.44/16,461.54 = 6,623/x
  3. Step 3: Cross multiply
    11,928.44x = 16,461.54 × 6,623
  4. Step 4: Simplify right side
    11,928.44x = 109,024,779.42
  5. Step 5: Solve for x
    x = 109,024,779.42/11,928.44
  6. Step 6: Final answer
    x = 9,139.90

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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.