Home / 8,265.64-11,405.88-4,728.16

Finding the Fourth Proportional to 8,265.64, 11,405.88 and 4,728.16

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Solution

The fourth proportional to 8,265.64, 11,405.88 and 4,728.16 is: 6,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.64 : 11,405.88 = 4,728.16 : x
  2. Step 2: Convert to fraction form
    8,265.64/11,405.88 = 4,728.16/x
  3. Step 3: Cross multiply
    8,265.64x = 11,405.88 × 4,728.16
  4. Step 4: Simplify right side
    8,265.64x = 53,928,825.58
  5. Step 5: Solve for x
    x = 53,928,825.58/8,265.64
  6. Step 6: Final answer
    x = 6,524.46

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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.