Home / 10,911.35-16,368.23-3,893.00

Finding the Fourth Proportional to 10,911.35, 16,368.23 and 3,893.00

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Solution

The fourth proportional to 10,911.35, 16,368.23 and 3,893.00 is: 5,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.35 : 16,368.23 = 3,893.00 : x
  2. Step 2: Convert to fraction form
    10,911.35/16,368.23 = 3,893.00/x
  3. Step 3: Cross multiply
    10,911.35x = 16,368.23 × 3,893.00
  4. Step 4: Simplify right side
    10,911.35x = 63,721,418.08
  5. Step 5: Solve for x
    x = 63,721,418.08/10,911.35
  6. Step 6: Final answer
    x = 5,839.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.