Home / 9,860.87-13,604.96-5,668.31

Finding the Fourth Proportional to 9,860.87, 13,604.96 and 5,668.31

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Solution

The fourth proportional to 9,860.87, 13,604.96 and 5,668.31 is: 7,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.87 : 13,604.96 = 5,668.31 : x
  2. Step 2: Convert to fraction form
    9,860.87/13,604.96 = 5,668.31/x
  3. Step 3: Cross multiply
    9,860.87x = 13,604.96 × 5,668.31
  4. Step 4: Simplify right side
    9,860.87x = 77,117,102.48
  5. Step 5: Solve for x
    x = 77,117,102.48/9,860.87
  6. Step 6: Final answer
    x = 7,820.52

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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.