Home / 10,515.84-15,777.36-4,676.52

Finding the Fourth Proportional to 10,515.84, 15,777.36 and 4,676.52

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Solution

The fourth proportional to 10,515.84, 15,777.36 and 4,676.52 is: 7,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.84 : 15,777.36 = 4,676.52 : x
  2. Step 2: Convert to fraction form
    10,515.84/15,777.36 = 4,676.52/x
  3. Step 3: Cross multiply
    10,515.84x = 15,777.36 × 4,676.52
  4. Step 4: Simplify right side
    10,515.84x = 73,783,139.59
  5. Step 5: Solve for x
    x = 73,783,139.59/10,515.84
  6. Step 6: Final answer
    x = 7,016.38

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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.