Home / 9,056.86-12,497.94-5,280.64

Finding the Fourth Proportional to 9,056.86, 12,497.94 and 5,280.64

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Solution

The fourth proportional to 9,056.86, 12,497.94 and 5,280.64 is: 7,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,056.86 : 12,497.94 = 5,280.64 : x
  2. Step 2: Convert to fraction form
    9,056.86/12,497.94 = 5,280.64/x
  3. Step 3: Cross multiply
    9,056.86x = 12,497.94 × 5,280.64
  4. Step 4: Simplify right side
    9,056.86x = 65,997,121.88
  5. Step 5: Solve for x
    x = 65,997,121.88/9,056.86
  6. Step 6: Final answer
    x = 7,286.98

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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.