Home / 11,312.36-16,975.16-4,738.00

Finding the Fourth Proportional to 11,312.36, 16,975.16 and 4,738.00

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Solution

The fourth proportional to 11,312.36, 16,975.16 and 4,738.00 is: 7,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.36 : 16,975.16 = 4,738.00 : x
  2. Step 2: Convert to fraction form
    11,312.36/16,975.16 = 4,738.00/x
  3. Step 3: Cross multiply
    11,312.36x = 16,975.16 × 4,738.00
  4. Step 4: Simplify right side
    11,312.36x = 80,428,259.72
  5. Step 5: Solve for x
    x = 80,428,259.72/11,312.36
  6. Step 6: Final answer
    x = 7,109.77

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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.