Home / 11,977.34-16,528.73-6,672.50

Finding the Fourth Proportional to 11,977.34, 16,528.73 and 6,672.50

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Solution

The fourth proportional to 11,977.34, 16,528.73 and 6,672.50 is: 9,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.34 : 16,528.73 = 6,672.50 : x
  2. Step 2: Convert to fraction form
    11,977.34/16,528.73 = 6,672.50/x
  3. Step 3: Cross multiply
    11,977.34x = 16,528.73 × 6,672.50
  4. Step 4: Simplify right side
    11,977.34x = 110,287,950.93
  5. Step 5: Solve for x
    x = 110,287,950.93/11,977.34
  6. Step 6: Final answer
    x = 9,208.05

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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.