Home / 9,790.46-13,510.84-5,314.21

Finding the Fourth Proportional to 9,790.46, 13,510.84 and 5,314.21

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Solution

The fourth proportional to 9,790.46, 13,510.84 and 5,314.21 is: 7,333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.46 : 13,510.84 = 5,314.21 : x
  2. Step 2: Convert to fraction form
    9,790.46/13,510.84 = 5,314.21/x
  3. Step 3: Cross multiply
    9,790.46x = 13,510.84 × 5,314.21
  4. Step 4: Simplify right side
    9,790.46x = 71,799,413.90
  5. Step 5: Solve for x
    x = 71,799,413.90/9,790.46
  6. Step 6: Final answer
    x = 7,333.61

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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.