Home / 8,256.87-11,394.63-4,720.14

Finding the Fourth Proportional to 8,256.87, 11,394.63 and 4,720.14

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Solution

The fourth proportional to 8,256.87, 11,394.63 and 4,720.14 is: 6,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.87 : 11,394.63 = 4,720.14 : x
  2. Step 2: Convert to fraction form
    8,256.87/11,394.63 = 4,720.14/x
  3. Step 3: Cross multiply
    8,256.87x = 11,394.63 × 4,720.14
  4. Step 4: Simplify right side
    8,256.87x = 53,784,248.85
  5. Step 5: Solve for x
    x = 53,784,248.85/8,256.87
  6. Step 6: Final answer
    x = 6,513.88

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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.