Home / 7,630.34-11,436.39-4,338.90

Finding the Fourth Proportional to 7,630.34, 11,436.39 and 4,338.90

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Solution

The fourth proportional to 7,630.34, 11,436.39 and 4,338.90 is: 6,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.34 : 11,436.39 = 4,338.90 : x
  2. Step 2: Convert to fraction form
    7,630.34/11,436.39 = 4,338.90/x
  3. Step 3: Cross multiply
    7,630.34x = 11,436.39 × 4,338.90
  4. Step 4: Simplify right side
    7,630.34x = 49,621,352.57
  5. Step 5: Solve for x
    x = 49,621,352.57/7,630.34
  6. Step 6: Final answer
    x = 6,503.17

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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.