Home / 10,176.77-15,267.34-3,156.63

Finding the Fourth Proportional to 10,176.77, 15,267.34 and 3,156.63

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Solution

The fourth proportional to 10,176.77, 15,267.34 and 3,156.63 is: 4,735.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.77 : 15,267.34 = 3,156.63 : x
  2. Step 2: Convert to fraction form
    10,176.77/15,267.34 = 3,156.63/x
  3. Step 3: Cross multiply
    10,176.77x = 15,267.34 × 3,156.63
  4. Step 4: Simplify right side
    10,176.77x = 48,193,343.46
  5. Step 5: Solve for x
    x = 48,193,343.46/10,176.77
  6. Step 6: Final answer
    x = 4,735.62

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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.