Home / 9,098.45-12,555.84-5,119.57

Finding the Fourth Proportional to 9,098.45, 12,555.84 and 5,119.57

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Solution

The fourth proportional to 9,098.45, 12,555.84 and 5,119.57 is: 7,064.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,098.45 : 12,555.84 = 5,119.57 : x
  2. Step 2: Convert to fraction form
    9,098.45/12,555.84 = 5,119.57/x
  3. Step 3: Cross multiply
    9,098.45x = 12,555.84 × 5,119.57
  4. Step 4: Simplify right side
    9,098.45x = 64,280,413.41
  5. Step 5: Solve for x
    x = 64,280,413.41/9,098.45
  6. Step 6: Final answer
    x = 7,064.99

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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.