Home / 11,003.97-15,182.60-6,528.72

Finding the Fourth Proportional to 11,003.97, 15,182.60 and 6,528.72

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Solution

The fourth proportional to 11,003.97, 15,182.60 and 6,528.72 is: 9,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.97 : 15,182.60 = 6,528.72 : x
  2. Step 2: Convert to fraction form
    11,003.97/15,182.60 = 6,528.72/x
  3. Step 3: Cross multiply
    11,003.97x = 15,182.60 × 6,528.72
  4. Step 4: Simplify right side
    11,003.97x = 99,122,911.63
  5. Step 5: Solve for x
    x = 99,122,911.63/11,003.97
  6. Step 6: Final answer
    x = 9,007.92

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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.