Home / 8,678.36-11,975.37-4,901.33

Finding the Fourth Proportional to 8,678.36, 11,975.37 and 4,901.33

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Solution

The fourth proportional to 8,678.36, 11,975.37 and 4,901.33 is: 6,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.36 : 11,975.37 = 4,901.33 : x
  2. Step 2: Convert to fraction form
    8,678.36/11,975.37 = 4,901.33/x
  3. Step 3: Cross multiply
    8,678.36x = 11,975.37 × 4,901.33
  4. Step 4: Simplify right side
    8,678.36x = 58,695,240.24
  5. Step 5: Solve for x
    x = 58,695,240.24/8,678.36
  6. Step 6: Final answer
    x = 6,763.40

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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.