Home / 8,823.95-12,170.67-5,990.42

Finding the Fourth Proportional to 8,823.95, 12,170.67 and 5,990.42

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Solution

The fourth proportional to 8,823.95, 12,170.67 and 5,990.42 is: 8,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,823.95 : 12,170.67 = 5,990.42 : x
  2. Step 2: Convert to fraction form
    8,823.95/12,170.67 = 5,990.42/x
  3. Step 3: Cross multiply
    8,823.95x = 12,170.67 × 5,990.42
  4. Step 4: Simplify right side
    8,823.95x = 72,907,424.98
  5. Step 5: Solve for x
    x = 72,907,424.98/8,823.95
  6. Step 6: Final answer
    x = 8,262.45

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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.