Home / 9,076.05-12,527.41-6,387.86

Finding the Fourth Proportional to 9,076.05, 12,527.41 and 6,387.86

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Solution

The fourth proportional to 9,076.05, 12,527.41 and 6,387.86 is: 8,816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.05 : 12,527.41 = 6,387.86 : x
  2. Step 2: Convert to fraction form
    9,076.05/12,527.41 = 6,387.86/x
  3. Step 3: Cross multiply
    9,076.05x = 12,527.41 × 6,387.86
  4. Step 4: Simplify right side
    9,076.05x = 80,023,368.57
  5. Step 5: Solve for x
    x = 80,023,368.57/9,076.05
  6. Step 6: Final answer
    x = 8,816.98

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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.