Home / 11,655.37-17,471.21-4,640.35

Finding the Fourth Proportional to 11,655.37, 17,471.21 and 4,640.35

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Solution

The fourth proportional to 11,655.37, 17,471.21 and 4,640.35 is: 6,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.37 : 17,471.21 = 4,640.35 : x
  2. Step 2: Convert to fraction form
    11,655.37/17,471.21 = 4,640.35/x
  3. Step 3: Cross multiply
    11,655.37x = 17,471.21 × 4,640.35
  4. Step 4: Simplify right side
    11,655.37x = 81,072,462.44
  5. Step 5: Solve for x
    x = 81,072,462.44/11,655.37
  6. Step 6: Final answer
    x = 6,955.80

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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.