Home / 11,856.63-16,361.55-6,551.31

Finding the Fourth Proportional to 11,856.63, 16,361.55 and 6,551.31

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Solution

The fourth proportional to 11,856.63, 16,361.55 and 6,551.31 is: 9,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.63 : 16,361.55 = 6,551.31 : x
  2. Step 2: Convert to fraction form
    11,856.63/16,361.55 = 6,551.31/x
  3. Step 3: Cross multiply
    11,856.63x = 16,361.55 × 6,551.31
  4. Step 4: Simplify right side
    11,856.63x = 107,189,586.13
  5. Step 5: Solve for x
    x = 107,189,586.13/11,856.63
  6. Step 6: Final answer
    x = 9,040.48

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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.