Home / 10,177.89-15,267.85-3,157.62

Finding the Fourth Proportional to 10,177.89, 15,267.85 and 3,157.62

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Solution

The fourth proportional to 10,177.89, 15,267.85 and 3,157.62 is: 4,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.89 : 15,267.85 = 3,157.62 : x
  2. Step 2: Convert to fraction form
    10,177.89/15,267.85 = 3,157.62/x
  3. Step 3: Cross multiply
    10,177.89x = 15,267.85 × 3,157.62
  4. Step 4: Simplify right side
    10,177.89x = 48,210,060.62
  5. Step 5: Solve for x
    x = 48,210,060.62/10,177.89
  6. Step 6: Final answer
    x = 4,736.74

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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.