Home / 11,152.08-16,728.76-3,360.08

Finding the Fourth Proportional to 11,152.08, 16,728.76 and 3,360.08

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Solution

The fourth proportional to 11,152.08, 16,728.76 and 3,360.08 is: 5,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.08 : 16,728.76 = 3,360.08 : x
  2. Step 2: Convert to fraction form
    11,152.08/16,728.76 = 3,360.08/x
  3. Step 3: Cross multiply
    11,152.08x = 16,728.76 × 3,360.08
  4. Step 4: Simplify right side
    11,152.08x = 56,209,971.90
  5. Step 5: Solve for x
    x = 56,209,971.90/11,152.08
  6. Step 6: Final answer
    x = 5,040.31

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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.