Home / 8,431.57-12,628.56-5,958.89

Finding the Fourth Proportional to 8,431.57, 12,628.56 and 5,958.89

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Solution

The fourth proportional to 8,431.57, 12,628.56 and 5,958.89 is: 8,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.57 : 12,628.56 = 5,958.89 : x
  2. Step 2: Convert to fraction form
    8,431.57/12,628.56 = 5,958.89/x
  3. Step 3: Cross multiply
    8,431.57x = 12,628.56 × 5,958.89
  4. Step 4: Simplify right side
    8,431.57x = 75,252,208.46
  5. Step 5: Solve for x
    x = 75,252,208.46/8,431.57
  6. Step 6: Final answer
    x = 8,925.05

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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.