Home / 8,332.16-12,499.44-2,783.85

Finding the Fourth Proportional to 8,332.16, 12,499.44 and 2,783.85

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Solution

The fourth proportional to 8,332.16, 12,499.44 and 2,783.85 is: 4,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.16 : 12,499.44 = 2,783.85 : x
  2. Step 2: Convert to fraction form
    8,332.16/12,499.44 = 2,783.85/x
  3. Step 3: Cross multiply
    8,332.16x = 12,499.44 × 2,783.85
  4. Step 4: Simplify right side
    8,332.16x = 34,796,566.04
  5. Step 5: Solve for x
    x = 34,796,566.04/8,332.16
  6. Step 6: Final answer
    x = 4,176.18

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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.