Home / 9,415.32-14,123.68-3,175.32

Finding the Fourth Proportional to 9,415.32, 14,123.68 and 3,175.32

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Solution

The fourth proportional to 9,415.32, 14,123.68 and 3,175.32 is: 4,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.32 : 14,123.68 = 3,175.32 : x
  2. Step 2: Convert to fraction form
    9,415.32/14,123.68 = 3,175.32/x
  3. Step 3: Cross multiply
    9,415.32x = 14,123.68 × 3,175.32
  4. Step 4: Simplify right side
    9,415.32x = 44,847,203.58
  5. Step 5: Solve for x
    x = 44,847,203.58/9,415.32
  6. Step 6: Final answer
    x = 4,763.22

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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.