Home / 7,970.43-10,999.19-4,433.57

Finding the Fourth Proportional to 7,970.43, 10,999.19 and 4,433.57

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Solution

The fourth proportional to 7,970.43, 10,999.19 and 4,433.57 is: 6,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970.43 : 10,999.19 = 4,433.57 : x
  2. Step 2: Convert to fraction form
    7,970.43/10,999.19 = 4,433.57/x
  3. Step 3: Cross multiply
    7,970.43x = 10,999.19 × 4,433.57
  4. Step 4: Simplify right side
    7,970.43x = 48,765,601.64
  5. Step 5: Solve for x
    x = 48,765,601.64/7,970.43
  6. Step 6: Final answer
    x = 6,118.32

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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.