Home / 8,211.02-11,328.54-4,853.94

Finding the Fourth Proportional to 8,211.02, 11,328.54 and 4,853.94

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Solution

The fourth proportional to 8,211.02, 11,328.54 and 4,853.94 is: 6,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.02 : 11,328.54 = 4,853.94 : x
  2. Step 2: Convert to fraction form
    8,211.02/11,328.54 = 4,853.94/x
  3. Step 3: Cross multiply
    8,211.02x = 11,328.54 × 4,853.94
  4. Step 4: Simplify right side
    8,211.02x = 54,988,053.45
  5. Step 5: Solve for x
    x = 54,988,053.45/8,211.02
  6. Step 6: Final answer
    x = 6,696.86

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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.