Home / 11,926.23-16,458.96-6,890.67

Finding the Fourth Proportional to 11,926.23, 16,458.96 and 6,890.67

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Solution

The fourth proportional to 11,926.23, 16,458.96 and 6,890.67 is: 9,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.23 : 16,458.96 = 6,890.67 : x
  2. Step 2: Convert to fraction form
    11,926.23/16,458.96 = 6,890.67/x
  3. Step 3: Cross multiply
    11,926.23x = 16,458.96 × 6,890.67
  4. Step 4: Simplify right side
    11,926.23x = 113,413,261.90
  5. Step 5: Solve for x
    x = 113,413,261.90/11,926.23
  6. Step 6: Final answer
    x = 9,509.57

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1.5x scale

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.