Home / 9,413.10-14,121.99-6,645.17

Finding the Fourth Proportional to 9,413.10, 14,121.99 and 6,645.17

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Solution

The fourth proportional to 9,413.10, 14,121.99 and 6,645.17 is: 9,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.10 : 14,121.99 = 6,645.17 : x
  2. Step 2: Convert to fraction form
    9,413.10/14,121.99 = 6,645.17/x
  3. Step 3: Cross multiply
    9,413.10x = 14,121.99 × 6,645.17
  4. Step 4: Simplify right side
    9,413.10x = 93,842,953.68
  5. Step 5: Solve for x
    x = 93,842,953.68/9,413.10
  6. Step 6: Final answer
    x = 9,969.40

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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.