Home / 10,203.32-15,305.58-3,184.34

Finding the Fourth Proportional to 10,203.32, 15,305.58 and 3,184.34

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Solution

The fourth proportional to 10,203.32, 15,305.58 and 3,184.34 is: 4,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.32 : 15,305.58 = 3,184.34 : x
  2. Step 2: Convert to fraction form
    10,203.32/15,305.58 = 3,184.34/x
  3. Step 3: Cross multiply
    10,203.32x = 15,305.58 × 3,184.34
  4. Step 4: Simplify right side
    10,203.32x = 48,738,170.62
  5. Step 5: Solve for x
    x = 48,738,170.62/10,203.32
  6. Step 6: Final answer
    x = 4,776.70

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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.