Home / 8,185.42-11,283.94-6,507.50

Finding the Fourth Proportional to 8,185.42, 11,283.94 and 6,507.50

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Solution

The fourth proportional to 8,185.42, 11,283.94 and 6,507.50 is: 8,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.42 : 11,283.94 = 6,507.50 : x
  2. Step 2: Convert to fraction form
    8,185.42/11,283.94 = 6,507.50/x
  3. Step 3: Cross multiply
    8,185.42x = 11,283.94 × 6,507.50
  4. Step 4: Simplify right side
    8,185.42x = 73,430,207.01
  5. Step 5: Solve for x
    x = 73,430,207.01/8,185.42
  6. Step 6: Final answer
    x = 8,970.86

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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.