Home / 10,558.06-15,836.75-5,015.38

Finding the Fourth Proportional to 10,558.06, 15,836.75 and 5,015.38

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Solution

The fourth proportional to 10,558.06, 15,836.75 and 5,015.38 is: 7,522.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.06 : 15,836.75 = 5,015.38 : x
  2. Step 2: Convert to fraction form
    10,558.06/15,836.75 = 5,015.38/x
  3. Step 3: Cross multiply
    10,558.06x = 15,836.75 × 5,015.38
  4. Step 4: Simplify right side
    10,558.06x = 79,427,319.22
  5. Step 5: Solve for x
    x = 79,427,319.22/10,558.06
  6. Step 6: Final answer
    x = 7,522.91

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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.