Home / 9,668.51-13,343.41-5,635.12

Finding the Fourth Proportional to 9,668.51, 13,343.41 and 5,635.12

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Solution

The fourth proportional to 9,668.51, 13,343.41 and 5,635.12 is: 7,776.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,668.51 : 13,343.41 = 5,635.12 : x
  2. Step 2: Convert to fraction form
    9,668.51/13,343.41 = 5,635.12/x
  3. Step 3: Cross multiply
    9,668.51x = 13,343.41 × 5,635.12
  4. Step 4: Simplify right side
    9,668.51x = 75,191,621.67
  5. Step 5: Solve for x
    x = 75,191,621.67/9,668.51
  6. Step 6: Final answer
    x = 7,776.96

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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.