Home / 11,158.12-16,735.56-4,231

Finding the Fourth Proportional to 11,158.12, 16,735.56 and 4,231

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Solution

The fourth proportional to 11,158.12, 16,735.56 and 4,231 is: 6,345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.12 : 16,735.56 = 4,231 : x
  2. Step 2: Convert to fraction form
    11,158.12/16,735.56 = 4,231/x
  3. Step 3: Cross multiply
    11,158.12x = 16,735.56 × 4,231
  4. Step 4: Simplify right side
    11,158.12x = 70,808,154.36
  5. Step 5: Solve for x
    x = 70,808,154.36/11,158.12
  6. Step 6: Final answer
    x = 6,345.89

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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.