Home / 7,630.82-10,498.74-6,730.64

Finding the Fourth Proportional to 7,630.82, 10,498.74 and 6,730.64

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Solution

The fourth proportional to 7,630.82, 10,498.74 and 6,730.64 is: 9,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.82 : 10,498.74 = 6,730.64 : x
  2. Step 2: Convert to fraction form
    7,630.82/10,498.74 = 6,730.64/x
  3. Step 3: Cross multiply
    7,630.82x = 10,498.74 × 6,730.64
  4. Step 4: Simplify right side
    7,630.82x = 70,663,239.39
  5. Step 5: Solve for x
    x = 70,663,239.39/7,630.82
  6. Step 6: Final answer
    x = 9,260.24

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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.