Home / 11,208.10-16,848.60-7,943.80

Finding the Fourth Proportional to 11,208.10, 16,848.60 and 7,943.80

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Solution

The fourth proportional to 11,208.10, 16,848.60 and 7,943.80 is: 11,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.10 : 16,848.60 = 7,943.80 : x
  2. Step 2: Convert to fraction form
    11,208.10/16,848.60 = 7,943.80/x
  3. Step 3: Cross multiply
    11,208.10x = 16,848.60 × 7,943.80
  4. Step 4: Simplify right side
    11,208.10x = 133,841,908.68
  5. Step 5: Solve for x
    x = 133,841,908.68/11,208.10
  6. Step 6: Final answer
    x = 11,941.53

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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.