Home / 10,628.58-15,948.36-4,783.98

Finding the Fourth Proportional to 10,628.58, 15,948.36 and 4,783.98

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Solution

The fourth proportional to 10,628.58, 15,948.36 and 4,783.98 is: 7,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.58 : 15,948.36 = 4,783.98 : x
  2. Step 2: Convert to fraction form
    10,628.58/15,948.36 = 4,783.98/x
  3. Step 3: Cross multiply
    10,628.58x = 15,948.36 × 4,783.98
  4. Step 4: Simplify right side
    10,628.58x = 76,296,635.27
  5. Step 5: Solve for x
    x = 76,296,635.27/10,628.58
  6. Step 6: Final answer
    x = 7,178.44

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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.