Home / 10,930.95-16,386.30-4,361.67

Finding the Fourth Proportional to 10,930.95, 16,386.30 and 4,361.67

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Solution

The fourth proportional to 10,930.95, 16,386.30 and 4,361.67 is: 6,538.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.95 : 16,386.30 = 4,361.67 : x
  2. Step 2: Convert to fraction form
    10,930.95/16,386.30 = 4,361.67/x
  3. Step 3: Cross multiply
    10,930.95x = 16,386.30 × 4,361.67
  4. Step 4: Simplify right side
    10,930.95x = 71,471,633.12
  5. Step 5: Solve for x
    x = 71,471,633.12/10,930.95
  6. Step 6: Final answer
    x = 6,538.46

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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.