Home / 7,994.12-11,031.66-4,636.72

Finding the Fourth Proportional to 7,994.12, 11,031.66 and 4,636.72

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Solution

The fourth proportional to 7,994.12, 11,031.66 and 4,636.72 is: 6,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.12 : 11,031.66 = 4,636.72 : x
  2. Step 2: Convert to fraction form
    7,994.12/11,031.66 = 4,636.72/x
  3. Step 3: Cross multiply
    7,994.12x = 11,031.66 × 4,636.72
  4. Step 4: Simplify right side
    7,994.12x = 51,150,718.56
  5. Step 5: Solve for x
    x = 51,150,718.56/7,994.12
  6. Step 6: Final answer
    x = 6,398.54

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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.