Home / 10,554.60-15,819.82-5,000.07

Finding the Fourth Proportional to 10,554.60, 15,819.82 and 5,000.07

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Solution

The fourth proportional to 10,554.60, 15,819.82 and 5,000.07 is: 7,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.60 : 15,819.82 = 5,000.07 : x
  2. Step 2: Convert to fraction form
    10,554.60/15,819.82 = 5,000.07/x
  3. Step 3: Cross multiply
    10,554.60x = 15,819.82 × 5,000.07
  4. Step 4: Simplify right side
    10,554.60x = 79,100,207.39
  5. Step 5: Solve for x
    x = 79,100,207.39/10,554.60
  6. Step 6: Final answer
    x = 7,494.38

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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.