Home / 11,325.48-16,985.52-4,751.79

Finding the Fourth Proportional to 11,325.48, 16,985.52 and 4,751.79

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Solution

The fourth proportional to 11,325.48, 16,985.52 and 4,751.79 is: 7,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.48 : 16,985.52 = 4,751.79 : x
  2. Step 2: Convert to fraction form
    11,325.48/16,985.52 = 4,751.79/x
  3. Step 3: Cross multiply
    11,325.48x = 16,985.52 × 4,751.79
  4. Step 4: Simplify right side
    11,325.48x = 80,711,624.08
  5. Step 5: Solve for x
    x = 80,711,624.08/11,325.48
  6. Step 6: Final answer
    x = 7,126.55

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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.