Home / 11,848.12-17,768.58-4,921

Finding the Fourth Proportional to 11,848.12, 17,768.58 and 4,921

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Solution

The fourth proportional to 11,848.12, 17,768.58 and 4,921 is: 7,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.12 : 17,768.58 = 4,921 : x
  2. Step 2: Convert to fraction form
    11,848.12/17,768.58 = 4,921/x
  3. Step 3: Cross multiply
    11,848.12x = 17,768.58 × 4,921
  4. Step 4: Simplify right side
    11,848.12x = 87,439,182.18
  5. Step 5: Solve for x
    x = 87,439,182.18/11,848.12
  6. Step 6: Final answer
    x = 7,380.00

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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.