Home / 7,311.69-10,976.60-4,862.25

Finding the Fourth Proportional to 7,311.69, 10,976.60 and 4,862.25

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Solution

The fourth proportional to 7,311.69, 10,976.60 and 4,862.25 is: 7,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.69 : 10,976.60 = 4,862.25 : x
  2. Step 2: Convert to fraction form
    7,311.69/10,976.60 = 4,862.25/x
  3. Step 3: Cross multiply
    7,311.69x = 10,976.60 × 4,862.25
  4. Step 4: Simplify right side
    7,311.69x = 53,370,894.16
  5. Step 5: Solve for x
    x = 53,370,894.16/7,311.69
  6. Step 6: Final answer
    x = 7,299.40

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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.