Home / 11,312.55-16,975.44-4,738.19

Finding the Fourth Proportional to 11,312.55, 16,975.44 and 4,738.19

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Solution

The fourth proportional to 11,312.55, 16,975.44 and 4,738.19 is: 7,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.55 : 16,975.44 = 4,738.19 : x
  2. Step 2: Convert to fraction form
    11,312.55/16,975.44 = 4,738.19/x
  3. Step 3: Cross multiply
    11,312.55x = 16,975.44 × 4,738.19
  4. Step 4: Simplify right side
    11,312.55x = 80,432,775.18
  5. Step 5: Solve for x
    x = 80,432,775.18/11,312.55
  6. Step 6: Final answer
    x = 7,110.05

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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.