Home / 11,103.04-15,327.12-6,914.08

Finding the Fourth Proportional to 11,103.04, 15,327.12 and 6,914.08

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Solution

The fourth proportional to 11,103.04, 15,327.12 and 6,914.08 is: 9,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.04 : 15,327.12 = 6,914.08 : x
  2. Step 2: Convert to fraction form
    11,103.04/15,327.12 = 6,914.08/x
  3. Step 3: Cross multiply
    11,103.04x = 15,327.12 × 6,914.08
  4. Step 4: Simplify right side
    11,103.04x = 105,972,933.85
  5. Step 5: Solve for x
    x = 105,972,933.85/11,103.04
  6. Step 6: Final answer
    x = 9,544.50

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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.