Home / 8,265.96-11,405.60-4,729.43

Finding the Fourth Proportional to 8,265.96, 11,405.60 and 4,729.43

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Solution

The fourth proportional to 8,265.96, 11,405.60 and 4,729.43 is: 6,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.96 : 11,405.60 = 4,729.43 : x
  2. Step 2: Convert to fraction form
    8,265.96/11,405.60 = 4,729.43/x
  3. Step 3: Cross multiply
    8,265.96x = 11,405.60 × 4,729.43
  4. Step 4: Simplify right side
    8,265.96x = 53,941,986.81
  5. Step 5: Solve for x
    x = 53,941,986.81/8,265.96
  6. Step 6: Final answer
    x = 6,525.80

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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.