Home / 8,332.96-12,518.88-4,872.64

Finding the Fourth Proportional to 8,332.96, 12,518.88 and 4,872.64

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Solution

The fourth proportional to 8,332.96, 12,518.88 and 4,872.64 is: 7,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.96 : 12,518.88 = 4,872.64 : x
  2. Step 2: Convert to fraction form
    8,332.96/12,518.88 = 4,872.64/x
  3. Step 3: Cross multiply
    8,332.96x = 12,518.88 × 4,872.64
  4. Step 4: Simplify right side
    8,332.96x = 60,999,995.44
  5. Step 5: Solve for x
    x = 60,999,995.44/8,332.96
  6. Step 6: Final answer
    x = 7,320.33

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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.