Home / 10,551.83-15,835.53-5,005.19

Finding the Fourth Proportional to 10,551.83, 15,835.53 and 5,005.19

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Solution

The fourth proportional to 10,551.83, 15,835.53 and 5,005.19 is: 7,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.83 : 15,835.53 = 5,005.19 : x
  2. Step 2: Convert to fraction form
    10,551.83/15,835.53 = 5,005.19/x
  3. Step 3: Cross multiply
    10,551.83x = 15,835.53 × 5,005.19
  4. Step 4: Simplify right side
    10,551.83x = 79,259,836.40
  5. Step 5: Solve for x
    x = 79,259,836.40/10,551.83
  6. Step 6: Final answer
    x = 7,511.48

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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.