Home / 10,764.29-16,136.86-4,188.93

Finding the Fourth Proportional to 10,764.29, 16,136.86 and 4,188.93

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Solution

The fourth proportional to 10,764.29, 16,136.86 and 4,188.93 is: 6,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,764.29 : 16,136.86 = 4,188.93 : x
  2. Step 2: Convert to fraction form
    10,764.29/16,136.86 = 4,188.93/x
  3. Step 3: Cross multiply
    10,764.29x = 16,136.86 × 4,188.93
  4. Step 4: Simplify right side
    10,764.29x = 67,596,156.02
  5. Step 5: Solve for x
    x = 67,596,156.02/10,764.29
  6. Step 6: Final answer
    x = 6,279.67

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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.