Home / 9,860.63-13,608.95-5,668.88

Finding the Fourth Proportional to 9,860.63, 13,608.95 and 5,668.88

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Solution

The fourth proportional to 9,860.63, 13,608.95 and 5,668.88 is: 7,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.63 : 13,608.95 = 5,668.88 : x
  2. Step 2: Convert to fraction form
    9,860.63/13,608.95 = 5,668.88/x
  3. Step 3: Cross multiply
    9,860.63x = 13,608.95 × 5,668.88
  4. Step 4: Simplify right side
    9,860.63x = 77,147,408.09
  5. Step 5: Solve for x
    x = 77,147,408.09/9,860.63
  6. Step 6: Final answer
    x = 7,823.78

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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.