Home / 15,709.06-23,558.58-5,177.12

Finding the Fourth Proportional to 15,709.06, 23,558.58 and 5,177.12

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Solution

The fourth proportional to 15,709.06, 23,558.58 and 5,177.12 is: 7,764.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,709.06 : 23,558.58 = 5,177.12 : x
  2. Step 2: Convert to fraction form
    15,709.06/23,558.58 = 5,177.12/x
  3. Step 3: Cross multiply
    15,709.06x = 23,558.58 × 5,177.12
  4. Step 4: Simplify right side
    15,709.06x = 121,965,477.90
  5. Step 5: Solve for x
    x = 121,965,477.90/15,709.06
  6. Step 6: Final answer
    x = 7,764.02

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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.