Home / 7,836.48-11,745.95-5,981.45

Finding the Fourth Proportional to 7,836.48, 11,745.95 and 5,981.45

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Solution

The fourth proportional to 7,836.48, 11,745.95 and 5,981.45 is: 8,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.48 : 11,745.95 = 5,981.45 : x
  2. Step 2: Convert to fraction form
    7,836.48/11,745.95 = 5,981.45/x
  3. Step 3: Cross multiply
    7,836.48x = 11,745.95 × 5,981.45
  4. Step 4: Simplify right side
    7,836.48x = 70,257,723.99
  5. Step 5: Solve for x
    x = 70,257,723.99/7,836.48
  6. Step 6: Final answer
    x = 8,965.47

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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.