Home / 11,007.28-16,485.50-6,615.06

Finding the Fourth Proportional to 11,007.28, 16,485.50 and 6,615.06

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Solution

The fourth proportional to 11,007.28, 16,485.50 and 6,615.06 is: 9,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.28 : 16,485.50 = 6,615.06 : x
  2. Step 2: Convert to fraction form
    11,007.28/16,485.50 = 6,615.06/x
  3. Step 3: Cross multiply
    11,007.28x = 16,485.50 × 6,615.06
  4. Step 4: Simplify right side
    11,007.28x = 109,052,571.63
  5. Step 5: Solve for x
    x = 109,052,571.63/11,007.28
  6. Step 6: Final answer
    x = 9,907.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.