Home / 11,529.09-15,899.54-7,693.97

Finding the Fourth Proportional to 11,529.09, 15,899.54 and 7,693.97

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Solution

The fourth proportional to 11,529.09, 15,899.54 and 7,693.97 is: 10,610.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.09 : 15,899.54 = 7,693.97 : x
  2. Step 2: Convert to fraction form
    11,529.09/15,899.54 = 7,693.97/x
  3. Step 3: Cross multiply
    11,529.09x = 15,899.54 × 7,693.97
  4. Step 4: Simplify right side
    11,529.09x = 122,330,465.81
  5. Step 5: Solve for x
    x = 122,330,465.81/11,529.09
  6. Step 6: Final answer
    x = 10,610.59

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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.