Home / 7,474.08-10,313.70-4,449.04

Finding the Fourth Proportional to 7,474.08, 10,313.70 and 4,449.04

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Solution

The fourth proportional to 7,474.08, 10,313.70 and 4,449.04 is: 6,139.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.08 : 10,313.70 = 4,449.04 : x
  2. Step 2: Convert to fraction form
    7,474.08/10,313.70 = 4,449.04/x
  3. Step 3: Cross multiply
    7,474.08x = 10,313.70 × 4,449.04
  4. Step 4: Simplify right side
    7,474.08x = 45,886,063.85
  5. Step 5: Solve for x
    x = 45,886,063.85/7,474.08
  6. Step 6: Final answer
    x = 6,139.36

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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.