Home / 12,015.56-16,592.88-11,361.08

Finding the Fourth Proportional to 12,015.56, 16,592.88 and 11,361.08

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Solution

The fourth proportional to 12,015.56, 16,592.88 and 11,361.08 is: 15,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.56 : 16,592.88 = 11,361.08 : x
  2. Step 2: Convert to fraction form
    12,015.56/16,592.88 = 11,361.08/x
  3. Step 3: Cross multiply
    12,015.56x = 16,592.88 × 11,361.08
  4. Step 4: Simplify right side
    12,015.56x = 188,513,037.11
  5. Step 5: Solve for x
    x = 188,513,037.11/12,015.56
  6. Step 6: Final answer
    x = 15,689.08

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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.