Home / 11,801.38-16,283.29-6,830.50

Finding the Fourth Proportional to 11,801.38, 16,283.29 and 6,830.50

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Solution

The fourth proportional to 11,801.38, 16,283.29 and 6,830.50 is: 9,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.38 : 16,283.29 = 6,830.50 : x
  2. Step 2: Convert to fraction form
    11,801.38/16,283.29 = 6,830.50/x
  3. Step 3: Cross multiply
    11,801.38x = 16,283.29 × 6,830.50
  4. Step 4: Simplify right side
    11,801.38x = 111,223,012.35
  5. Step 5: Solve for x
    x = 111,223,012.35/11,801.38
  6. Step 6: Final answer
    x = 9,424.58

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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.