Home / 7,960.86-10,986.21-4,603.35

Finding the Fourth Proportional to 7,960.86, 10,986.21 and 4,603.35

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Solution

The fourth proportional to 7,960.86, 10,986.21 and 4,603.35 is: 6,352.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.86 : 10,986.21 = 4,603.35 : x
  2. Step 2: Convert to fraction form
    7,960.86/10,986.21 = 4,603.35/x
  3. Step 3: Cross multiply
    7,960.86x = 10,986.21 × 4,603.35
  4. Step 4: Simplify right side
    7,960.86x = 50,573,369.80
  5. Step 5: Solve for x
    x = 50,573,369.80/7,960.86
  6. Step 6: Final answer
    x = 6,352.75

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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.