Home / 10,566.80-15,836.45-4,319.67

Finding the Fourth Proportional to 10,566.80, 15,836.45 and 4,319.67

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Solution

The fourth proportional to 10,566.80, 15,836.45 and 4,319.67 is: 6,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,566.80 : 15,836.45 = 4,319.67 : x
  2. Step 2: Convert to fraction form
    10,566.80/15,836.45 = 4,319.67/x
  3. Step 3: Cross multiply
    10,566.80x = 15,836.45 × 4,319.67
  4. Step 4: Simplify right side
    10,566.80x = 68,408,237.97
  5. Step 5: Solve for x
    x = 68,408,237.97/10,566.80
  6. Step 6: Final answer
    x = 6,473.89

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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.