Home / 11,907.06-16,424.30-7,663.67

Finding the Fourth Proportional to 11,907.06, 16,424.30 and 7,663.67

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Solution

The fourth proportional to 11,907.06, 16,424.30 and 7,663.67 is: 10,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.06 : 16,424.30 = 7,663.67 : x
  2. Step 2: Convert to fraction form
    11,907.06/16,424.30 = 7,663.67/x
  3. Step 3: Cross multiply
    11,907.06x = 16,424.30 × 7,663.67
  4. Step 4: Simplify right side
    11,907.06x = 125,870,413.81
  5. Step 5: Solve for x
    x = 125,870,413.81/11,907.06
  6. Step 6: Final answer
    x = 10,571.08

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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.