Home / 7,443.07-11,156.83-2,511.01

Finding the Fourth Proportional to 7,443.07, 11,156.83 and 2,511.01

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Solution

The fourth proportional to 7,443.07, 11,156.83 and 2,511.01 is: 3,763.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.07 : 11,156.83 = 2,511.01 : x
  2. Step 2: Convert to fraction form
    7,443.07/11,156.83 = 2,511.01/x
  3. Step 3: Cross multiply
    7,443.07x = 11,156.83 × 2,511.01
  4. Step 4: Simplify right side
    7,443.07x = 28,014,911.70
  5. Step 5: Solve for x
    x = 28,014,911.70/7,443.07
  6. Step 6: Final answer
    x = 3,763.89

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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.