Home / 8,523.24-12,783.78-3,332.76

Finding the Fourth Proportional to 8,523.24, 12,783.78 and 3,332.76

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Solution

The fourth proportional to 8,523.24, 12,783.78 and 3,332.76 is: 4,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.24 : 12,783.78 = 3,332.76 : x
  2. Step 2: Convert to fraction form
    8,523.24/12,783.78 = 3,332.76/x
  3. Step 3: Cross multiply
    8,523.24x = 12,783.78 × 3,332.76
  4. Step 4: Simplify right side
    8,523.24x = 42,605,270.63
  5. Step 5: Solve for x
    x = 42,605,270.63/8,523.24
  6. Step 6: Final answer
    x = 4,998.72

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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.