Home / 8,257.77-11,394.14-4,720.23

Finding the Fourth Proportional to 8,257.77, 11,394.14 and 4,720.23

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Solution

The fourth proportional to 8,257.77, 11,394.14 and 4,720.23 is: 6,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.77 : 11,394.14 = 4,720.23 : x
  2. Step 2: Convert to fraction form
    8,257.77/11,394.14 = 4,720.23/x
  3. Step 3: Cross multiply
    8,257.77x = 11,394.14 × 4,720.23
  4. Step 4: Simplify right side
    8,257.77x = 53,782,937.85
  5. Step 5: Solve for x
    x = 53,782,937.85/8,257.77
  6. Step 6: Final answer
    x = 6,513.01

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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.