Home / 11,129.94-15,359.72-6,094.20

Finding the Fourth Proportional to 11,129.94, 15,359.72 and 6,094.20

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Solution

The fourth proportional to 11,129.94, 15,359.72 and 6,094.20 is: 8,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.94 : 15,359.72 = 6,094.20 : x
  2. Step 2: Convert to fraction form
    11,129.94/15,359.72 = 6,094.20/x
  3. Step 3: Cross multiply
    11,129.94x = 15,359.72 × 6,094.20
  4. Step 4: Simplify right side
    11,129.94x = 93,605,232.75
  5. Step 5: Solve for x
    x = 93,605,232.75/11,129.94
  6. Step 6: Final answer
    x = 8,410.22

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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.