Home / 8,230.56-11,359.89-7,566.36

Finding the Fourth Proportional to 8,230.56, 11,359.89 and 7,566.36

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Solution

The fourth proportional to 8,230.56, 11,359.89 and 7,566.36 is: 10,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.56 : 11,359.89 = 7,566.36 : x
  2. Step 2: Convert to fraction form
    8,230.56/11,359.89 = 7,566.36/x
  3. Step 3: Cross multiply
    8,230.56x = 11,359.89 × 7,566.36
  4. Step 4: Simplify right side
    8,230.56x = 85,953,017.30
  5. Step 5: Solve for x
    x = 85,953,017.30/8,230.56
  6. Step 6: Final answer
    x = 10,443.16

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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.