Home / 10,512.72-14,482.80-8,713.44

Finding the Fourth Proportional to 10,512.72, 14,482.80 and 8,713.44

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Solution

The fourth proportional to 10,512.72, 14,482.80 and 8,713.44 is: 12,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.72 : 14,482.80 = 8,713.44 : x
  2. Step 2: Convert to fraction form
    10,512.72/14,482.80 = 8,713.44/x
  3. Step 3: Cross multiply
    10,512.72x = 14,482.80 × 8,713.44
  4. Step 4: Simplify right side
    10,512.72x = 126,195,008.83
  5. Step 5: Solve for x
    x = 126,195,008.83/10,512.72
  6. Step 6: Final answer
    x = 12,004.03

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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.