Home / 9,135.88-13,708.86-4,519.24

Finding the Fourth Proportional to 9,135.88, 13,708.86 and 4,519.24

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Solution

The fourth proportional to 9,135.88, 13,708.86 and 4,519.24 is: 6,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.88 : 13,708.86 = 4,519.24 : x
  2. Step 2: Convert to fraction form
    9,135.88/13,708.86 = 4,519.24/x
  3. Step 3: Cross multiply
    9,135.88x = 13,708.86 × 4,519.24
  4. Step 4: Simplify right side
    9,135.88x = 61,953,628.47
  5. Step 5: Solve for x
    x = 61,953,628.47/9,135.88
  6. Step 6: Final answer
    x = 6,781.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.