Home / 11,120.30-16,672.35-4,543.10

Finding the Fourth Proportional to 11,120.30, 16,672.35 and 4,543.10

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Solution

The fourth proportional to 11,120.30, 16,672.35 and 4,543.10 is: 6,811.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.30 : 16,672.35 = 4,543.10 : x
  2. Step 2: Convert to fraction form
    11,120.30/16,672.35 = 4,543.10/x
  3. Step 3: Cross multiply
    11,120.30x = 16,672.35 × 4,543.10
  4. Step 4: Simplify right side
    11,120.30x = 75,744,153.29
  5. Step 5: Solve for x
    x = 75,744,153.29/11,120.30
  6. Step 6: Final answer
    x = 6,811.34

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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.