Home / 8,530.50-11,772.81-4,805.22

Finding the Fourth Proportional to 8,530.50, 11,772.81 and 4,805.22

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Solution

The fourth proportional to 8,530.50, 11,772.81 and 4,805.22 is: 6,631.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.50 : 11,772.81 = 4,805.22 : x
  2. Step 2: Convert to fraction form
    8,530.50/11,772.81 = 4,805.22/x
  3. Step 3: Cross multiply
    8,530.50x = 11,772.81 × 4,805.22
  4. Step 4: Simplify right side
    8,530.50x = 56,570,942.07
  5. Step 5: Solve for x
    x = 56,570,942.07/8,530.50
  6. Step 6: Final answer
    x = 6,631.61

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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.