Home / 11,133.15-16,699.72-4,472.70

Finding the Fourth Proportional to 11,133.15, 16,699.72 and 4,472.70

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Solution

The fourth proportional to 11,133.15, 16,699.72 and 4,472.70 is: 6,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.15 : 16,699.72 = 4,472.70 : x
  2. Step 2: Convert to fraction form
    11,133.15/16,699.72 = 4,472.70/x
  3. Step 3: Cross multiply
    11,133.15x = 16,699.72 × 4,472.70
  4. Step 4: Simplify right side
    11,133.15x = 74,692,837.64
  5. Step 5: Solve for x
    x = 74,692,837.64/11,133.15
  6. Step 6: Final answer
    x = 6,709.05

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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.