Home / 10,690.05-16,030.98-4,112.67

Finding the Fourth Proportional to 10,690.05, 16,030.98 and 4,112.67

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Solution

The fourth proportional to 10,690.05, 16,030.98 and 4,112.67 is: 6,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.05 : 16,030.98 = 4,112.67 : x
  2. Step 2: Convert to fraction form
    10,690.05/16,030.98 = 4,112.67/x
  3. Step 3: Cross multiply
    10,690.05x = 16,030.98 × 4,112.67
  4. Step 4: Simplify right side
    10,690.05x = 65,930,130.52
  5. Step 5: Solve for x
    x = 65,930,130.52/10,690.05
  6. Step 6: Final answer
    x = 6,167.43

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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.