Home / 8,628.07-11,910.75-6,504.46

Finding the Fourth Proportional to 8,628.07, 11,910.75 and 6,504.46

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Solution

The fourth proportional to 8,628.07, 11,910.75 and 6,504.46 is: 8,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.07 : 11,910.75 = 6,504.46 : x
  2. Step 2: Convert to fraction form
    8,628.07/11,910.75 = 6,504.46/x
  3. Step 3: Cross multiply
    8,628.07x = 11,910.75 × 6,504.46
  4. Step 4: Simplify right side
    8,628.07x = 77,472,996.95
  5. Step 5: Solve for x
    x = 77,472,996.95/8,628.07
  6. Step 6: Final answer
    x = 8,979.18

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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.