Home / 10,454.64-14,421.96-8,467.44

Finding the Fourth Proportional to 10,454.64, 14,421.96 and 8,467.44

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Solution

The fourth proportional to 10,454.64, 14,421.96 and 8,467.44 is: 11,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.64 : 14,421.96 = 8,467.44 : x
  2. Step 2: Convert to fraction form
    10,454.64/14,421.96 = 8,467.44/x
  3. Step 3: Cross multiply
    10,454.64x = 14,421.96 × 8,467.44
  4. Step 4: Simplify right side
    10,454.64x = 122,117,080.98
  5. Step 5: Solve for x
    x = 122,117,080.98/10,454.64
  6. Step 6: Final answer
    x = 11,680.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.