Home / 10,413.12-15,619.64-3,017.57

Finding the Fourth Proportional to 10,413.12, 15,619.64 and 3,017.57

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Solution

The fourth proportional to 10,413.12, 15,619.64 and 3,017.57 is: 4,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.12 : 15,619.64 = 3,017.57 : x
  2. Step 2: Convert to fraction form
    10,413.12/15,619.64 = 3,017.57/x
  3. Step 3: Cross multiply
    10,413.12x = 15,619.64 × 3,017.57
  4. Step 4: Simplify right side
    10,413.12x = 47,133,357.07
  5. Step 5: Solve for x
    x = 47,133,357.07/10,413.12
  6. Step 6: Final answer
    x = 4,526.34

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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.