Home / 11,066.82-15,263.82-7,709.64

Finding the Fourth Proportional to 11,066.82, 15,263.82 and 7,709.64

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Solution

The fourth proportional to 11,066.82, 15,263.82 and 7,709.64 is: 10,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066.82 : 15,263.82 = 7,709.64 : x
  2. Step 2: Convert to fraction form
    11,066.82/15,263.82 = 7,709.64/x
  3. Step 3: Cross multiply
    11,066.82x = 15,263.82 × 7,709.64
  4. Step 4: Simplify right side
    11,066.82x = 117,678,557.22
  5. Step 5: Solve for x
    x = 117,678,557.22/11,066.82
  6. Step 6: Final answer
    x = 10,633.46

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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.