Home / 11,928.85-16,463.35-7,213.14

Finding the Fourth Proportional to 11,928.85, 16,463.35 and 7,213.14

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Solution

The fourth proportional to 11,928.85, 16,463.35 and 7,213.14 is: 9,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.85 : 16,463.35 = 7,213.14 : x
  2. Step 2: Convert to fraction form
    11,928.85/16,463.35 = 7,213.14/x
  3. Step 3: Cross multiply
    11,928.85x = 16,463.35 × 7,213.14
  4. Step 4: Simplify right side
    11,928.85x = 118,752,448.42
  5. Step 5: Solve for x
    x = 118,752,448.42/11,928.85
  6. Step 6: Final answer
    x = 9,955.06

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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.