Home / 12,330.24-17,015.76-6,741.60

Finding the Fourth Proportional to 12,330.24, 17,015.76 and 6,741.60

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Solution

The fourth proportional to 12,330.24, 17,015.76 and 6,741.60 is: 9,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.24 : 17,015.76 = 6,741.60 : x
  2. Step 2: Convert to fraction form
    12,330.24/17,015.76 = 6,741.60/x
  3. Step 3: Cross multiply
    12,330.24x = 17,015.76 × 6,741.60
  4. Step 4: Simplify right side
    12,330.24x = 114,713,447.62
  5. Step 5: Solve for x
    x = 114,713,447.62/12,330.24
  6. Step 6: Final answer
    x = 9,303.42

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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.