Home / 12,710.92-19,057.86-4,910.62

Finding the Fourth Proportional to 12,710.92, 19,057.86 and 4,910.62

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Solution

The fourth proportional to 12,710.92, 19,057.86 and 4,910.62 is: 7,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.92 : 19,057.86 = 4,910.62 : x
  2. Step 2: Convert to fraction form
    12,710.92/19,057.86 = 4,910.62/x
  3. Step 3: Cross multiply
    12,710.92x = 19,057.86 × 4,910.62
  4. Step 4: Simplify right side
    12,710.92x = 93,585,908.47
  5. Step 5: Solve for x
    x = 93,585,908.47/12,710.92
  6. Step 6: Final answer
    x = 7,362.64

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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.