Home / 30,828.05-46,242.09-7,454.51

Finding the Fourth Proportional to 30,828.05, 46,242.09 and 7,454.51

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Solution

The fourth proportional to 30,828.05, 46,242.09 and 7,454.51 is: 11,181.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,828.05 : 46,242.09 = 7,454.51 : x
  2. Step 2: Convert to fraction form
    30,828.05/46,242.09 = 7,454.51/x
  3. Step 3: Cross multiply
    30,828.05x = 46,242.09 × 7,454.51
  4. Step 4: Simplify right side
    30,828.05x = 344,711,891.12
  5. Step 5: Solve for x
    x = 344,711,891.12/30,828.05
  6. Step 6: Final answer
    x = 11,181.76

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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.