Home / 10,623.34-15,934.87-4,775.82

Finding the Fourth Proportional to 10,623.34, 15,934.87 and 4,775.82

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Solution

The fourth proportional to 10,623.34, 15,934.87 and 4,775.82 is: 7,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.34 : 15,934.87 = 4,775.82 : x
  2. Step 2: Convert to fraction form
    10,623.34/15,934.87 = 4,775.82/x
  3. Step 3: Cross multiply
    10,623.34x = 15,934.87 × 4,775.82
  4. Step 4: Simplify right side
    10,623.34x = 76,102,070.84
  5. Step 5: Solve for x
    x = 76,102,070.84/10,623.34
  6. Step 6: Final answer
    x = 7,163.67

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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.