Home / 10,725.55-16,074.15-4,478.02

Finding the Fourth Proportional to 10,725.55, 16,074.15 and 4,478.02

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Solution

The fourth proportional to 10,725.55, 16,074.15 and 4,478.02 is: 6,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.55 : 16,074.15 = 4,478.02 : x
  2. Step 2: Convert to fraction form
    10,725.55/16,074.15 = 4,478.02/x
  3. Step 3: Cross multiply
    10,725.55x = 16,074.15 × 4,478.02
  4. Step 4: Simplify right side
    10,725.55x = 71,980,365.18
  5. Step 5: Solve for x
    x = 71,980,365.18/10,725.55
  6. Step 6: Final answer
    x = 6,711.11

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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.