Home / 30,712.15-46,068.07-11,994.09

Finding the Fourth Proportional to 30,712.15, 46,068.07 and 11,994.09

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Solution

The fourth proportional to 30,712.15, 46,068.07 and 11,994.09 is: 17,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,712.15 : 46,068.07 = 11,994.09 : x
  2. Step 2: Convert to fraction form
    30,712.15/46,068.07 = 11,994.09/x
  3. Step 3: Cross multiply
    30,712.15x = 46,068.07 × 11,994.09
  4. Step 4: Simplify right side
    30,712.15x = 552,544,287.40
  5. Step 5: Solve for x
    x = 552,544,287.40/30,712.15
  6. Step 6: Final answer
    x = 17,991.07

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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.