Home / 8,266.78-11,409.09-4,730.50

Finding the Fourth Proportional to 8,266.78, 11,409.09 and 4,730.50

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Solution

The fourth proportional to 8,266.78, 11,409.09 and 4,730.50 is: 6,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.78 : 11,409.09 = 4,730.50 : x
  2. Step 2: Convert to fraction form
    8,266.78/11,409.09 = 4,730.50/x
  3. Step 3: Cross multiply
    8,266.78x = 11,409.09 × 4,730.50
  4. Step 4: Simplify right side
    8,266.78x = 53,970,700.25
  5. Step 5: Solve for x
    x = 53,970,700.25/8,266.78
  6. Step 6: Final answer
    x = 6,528.62

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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.