Home / 8,264.63-11,409.41-5,242.83

Finding the Fourth Proportional to 8,264.63, 11,409.41 and 5,242.83

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Solution

The fourth proportional to 8,264.63, 11,409.41 and 5,242.83 is: 7,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.63 : 11,409.41 = 5,242.83 : x
  2. Step 2: Convert to fraction form
    8,264.63/11,409.41 = 5,242.83/x
  3. Step 3: Cross multiply
    8,264.63x = 11,409.41 × 5,242.83
  4. Step 4: Simplify right side
    8,264.63x = 59,817,597.03
  5. Step 5: Solve for x
    x = 59,817,597.03/8,264.63
  6. Step 6: Final answer
    x = 7,237.78

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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.