Home / 9,726.66-13,428.18-5,950.80

Finding the Fourth Proportional to 9,726.66, 13,428.18 and 5,950.80

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Solution

The fourth proportional to 9,726.66, 13,428.18 and 5,950.80 is: 8,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.66 : 13,428.18 = 5,950.80 : x
  2. Step 2: Convert to fraction form
    9,726.66/13,428.18 = 5,950.80/x
  3. Step 3: Cross multiply
    9,726.66x = 13,428.18 × 5,950.80
  4. Step 4: Simplify right side
    9,726.66x = 79,908,413.54
  5. Step 5: Solve for x
    x = 79,908,413.54/9,726.66
  6. Step 6: Final answer
    x = 8,215.40

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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.