Home / 10,413.96-15,583.68-9,718.80

Finding the Fourth Proportional to 10,413.96, 15,583.68 and 9,718.80

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Solution

The fourth proportional to 10,413.96, 15,583.68 and 9,718.80 is: 14,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.96 : 15,583.68 = 9,718.80 : x
  2. Step 2: Convert to fraction form
    10,413.96/15,583.68 = 9,718.80/x
  3. Step 3: Cross multiply
    10,413.96x = 15,583.68 × 9,718.80
  4. Step 4: Simplify right side
    10,413.96x = 151,454,669.18
  5. Step 5: Solve for x
    x = 151,454,669.18/10,413.96
  6. Step 6: Final answer
    x = 14,543.43

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1.5x scale

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.