Home / 8,675.20-11,971.76-4,696.31

Finding the Fourth Proportional to 8,675.20, 11,971.76 and 4,696.31

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Solution

The fourth proportional to 8,675.20, 11,971.76 and 4,696.31 is: 6,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.20 : 11,971.76 = 4,696.31 : x
  2. Step 2: Convert to fraction form
    8,675.20/11,971.76 = 4,696.31/x
  3. Step 3: Cross multiply
    8,675.20x = 11,971.76 × 4,696.31
  4. Step 4: Simplify right side
    8,675.20x = 56,223,122.91
  5. Step 5: Solve for x
    x = 56,223,122.91/8,675.20
  6. Step 6: Final answer
    x = 6,480.90

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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.