Home / 7,280.12-10,049.46-4,929.23

Finding the Fourth Proportional to 7,280.12, 10,049.46 and 4,929.23

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Solution

The fourth proportional to 7,280.12, 10,049.46 and 4,929.23 is: 6,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.12 : 10,049.46 = 4,929.23 : x
  2. Step 2: Convert to fraction form
    7,280.12/10,049.46 = 4,929.23/x
  3. Step 3: Cross multiply
    7,280.12x = 10,049.46 × 4,929.23
  4. Step 4: Simplify right side
    7,280.12x = 49,536,099.72
  5. Step 5: Solve for x
    x = 49,536,099.72/7,280.12
  6. Step 6: Final answer
    x = 6,804.30

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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.