Home / 10,176.90-15,267.53-3,156.77

Finding the Fourth Proportional to 10,176.90, 15,267.53 and 3,156.77

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Solution

The fourth proportional to 10,176.90, 15,267.53 and 3,156.77 is: 4,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.90 : 15,267.53 = 3,156.77 : x
  2. Step 2: Convert to fraction form
    10,176.90/15,267.53 = 3,156.77/x
  3. Step 3: Cross multiply
    10,176.90x = 15,267.53 × 3,156.77
  4. Step 4: Simplify right side
    10,176.90x = 48,195,988.56
  5. Step 5: Solve for x
    x = 48,195,988.56/10,176.90
  6. Step 6: Final answer
    x = 4,735.82

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1.5x scale

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.