Home / 11,129.98-15,359.62-6,094.42

Finding the Fourth Proportional to 11,129.98, 15,359.62 and 6,094.42

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Solution

The fourth proportional to 11,129.98, 15,359.62 and 6,094.42 is: 8,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.98 : 15,359.62 = 6,094.42 : x
  2. Step 2: Convert to fraction form
    11,129.98/15,359.62 = 6,094.42/x
  3. Step 3: Cross multiply
    11,129.98x = 15,359.62 × 6,094.42
  4. Step 4: Simplify right side
    11,129.98x = 93,607,975.32
  5. Step 5: Solve for x
    x = 93,607,975.32/11,129.98
  6. Step 6: Final answer
    x = 8,410.44

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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.