Home / 11,013.37-15,199.65-6,538.22

Finding the Fourth Proportional to 11,013.37, 15,199.65 and 6,538.22

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Solution

The fourth proportional to 11,013.37, 15,199.65 and 6,538.22 is: 9,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.37 : 15,199.65 = 6,538.22 : x
  2. Step 2: Convert to fraction form
    11,013.37/15,199.65 = 6,538.22/x
  3. Step 3: Cross multiply
    11,013.37x = 15,199.65 × 6,538.22
  4. Step 4: Simplify right side
    11,013.37x = 99,378,636.62
  5. Step 5: Solve for x
    x = 99,378,636.62/11,013.37
  6. Step 6: Final answer
    x = 9,023.46

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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.