Home / 10,958.60-16,438.82-4,718.76

Finding the Fourth Proportional to 10,958.60, 16,438.82 and 4,718.76

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Solution

The fourth proportional to 10,958.60, 16,438.82 and 4,718.76 is: 7,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.60 : 16,438.82 = 4,718.76 : x
  2. Step 2: Convert to fraction form
    10,958.60/16,438.82 = 4,718.76/x
  3. Step 3: Cross multiply
    10,958.60x = 16,438.82 × 4,718.76
  4. Step 4: Simplify right side
    10,958.60x = 77,570,822.67
  5. Step 5: Solve for x
    x = 77,570,822.67/10,958.60
  6. Step 6: Final answer
    x = 7,078.54

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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.