Home / 7,454.30-11,186.58-3,071.76

Finding the Fourth Proportional to 7,454.30, 11,186.58 and 3,071.76

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Solution

The fourth proportional to 7,454.30, 11,186.58 and 3,071.76 is: 4,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.30 : 11,186.58 = 3,071.76 : x
  2. Step 2: Convert to fraction form
    7,454.30/11,186.58 = 3,071.76/x
  3. Step 3: Cross multiply
    7,454.30x = 11,186.58 × 3,071.76
  4. Step 4: Simplify right side
    7,454.30x = 34,362,488.98
  5. Step 5: Solve for x
    x = 34,362,488.98/7,454.30
  6. Step 6: Final answer
    x = 4,609.76

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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.