Home / 8,284.34-11,435.10-5,304.62

Finding the Fourth Proportional to 8,284.34, 11,435.10 and 5,304.62

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Solution

The fourth proportional to 8,284.34, 11,435.10 and 5,304.62 is: 7,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.34 : 11,435.10 = 5,304.62 : x
  2. Step 2: Convert to fraction form
    8,284.34/11,435.10 = 5,304.62/x
  3. Step 3: Cross multiply
    8,284.34x = 11,435.10 × 5,304.62
  4. Step 4: Simplify right side
    8,284.34x = 60,658,860.16
  5. Step 5: Solve for x
    x = 60,658,860.16/8,284.34
  6. Step 6: Final answer
    x = 7,322.11

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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.