Home / 8,645.88-11,914.74-5,988.36

Finding the Fourth Proportional to 8,645.88, 11,914.74 and 5,988.36

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Solution

The fourth proportional to 8,645.88, 11,914.74 and 5,988.36 is: 8,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.88 : 11,914.74 = 5,988.36 : x
  2. Step 2: Convert to fraction form
    8,645.88/11,914.74 = 5,988.36/x
  3. Step 3: Cross multiply
    8,645.88x = 11,914.74 × 5,988.36
  4. Step 4: Simplify right side
    8,645.88x = 71,349,752.43
  5. Step 5: Solve for x
    x = 71,349,752.43/8,645.88
  6. Step 6: Final answer
    x = 8,252.46

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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.