Home / 8,645.84-11,927.76-5,501.44

Finding the Fourth Proportional to 8,645.84, 11,927.76 and 5,501.44

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Solution

The fourth proportional to 8,645.84, 11,927.76 and 5,501.44 is: 7,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.84 : 11,927.76 = 5,501.44 : x
  2. Step 2: Convert to fraction form
    8,645.84/11,927.76 = 5,501.44/x
  3. Step 3: Cross multiply
    8,645.84x = 11,927.76 × 5,501.44
  4. Step 4: Simplify right side
    8,645.84x = 65,619,855.97
  5. Step 5: Solve for x
    x = 65,619,855.97/8,645.84
  6. Step 6: Final answer
    x = 7,589.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.