Home / 8,370.99-11,550.83-5,013.05

Finding the Fourth Proportional to 8,370.99, 11,550.83 and 5,013.05

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Solution

The fourth proportional to 8,370.99, 11,550.83 and 5,013.05 is: 6,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.99 : 11,550.83 = 5,013.05 : x
  2. Step 2: Convert to fraction form
    8,370.99/11,550.83 = 5,013.05/x
  3. Step 3: Cross multiply
    8,370.99x = 11,550.83 × 5,013.05
  4. Step 4: Simplify right side
    8,370.99x = 57,904,805.51
  5. Step 5: Solve for x
    x = 57,904,805.51/8,370.99
  6. Step 6: Final answer
    x = 6,917.32

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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.