Home / 10,958.66-16,438.90-4,718.83

Finding the Fourth Proportional to 10,958.66, 16,438.90 and 4,718.83

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Solution

The fourth proportional to 10,958.66, 16,438.90 and 4,718.83 is: 7,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.66 : 16,438.90 = 4,718.83 : x
  2. Step 2: Convert to fraction form
    10,958.66/16,438.90 = 4,718.83/x
  3. Step 3: Cross multiply
    10,958.66x = 16,438.90 × 4,718.83
  4. Step 4: Simplify right side
    10,958.66x = 77,572,292.29
  5. Step 5: Solve for x
    x = 77,572,292.29/10,958.66
  6. Step 6: Final answer
    x = 7,078.63

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1.5x scale

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.