Home / 7,422.80-11,153.88-4,501.52

Finding the Fourth Proportional to 7,422.80, 11,153.88 and 4,501.52

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Solution

The fourth proportional to 7,422.80, 11,153.88 and 4,501.52 is: 6,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.80 : 11,153.88 = 4,501.52 : x
  2. Step 2: Convert to fraction form
    7,422.80/11,153.88 = 4,501.52/x
  3. Step 3: Cross multiply
    7,422.80x = 11,153.88 × 4,501.52
  4. Step 4: Simplify right side
    7,422.80x = 50,209,413.90
  5. Step 5: Solve for x
    x = 50,209,413.90/7,422.80
  6. Step 6: Final answer
    x = 6,764.21

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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.