Home / 7,634.22-10,538.40-5,247.62

Finding the Fourth Proportional to 7,634.22, 10,538.40 and 5,247.62

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Solution

The fourth proportional to 7,634.22, 10,538.40 and 5,247.62 is: 7,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,634.22 : 10,538.40 = 5,247.62 : x
  2. Step 2: Convert to fraction form
    7,634.22/10,538.40 = 5,247.62/x
  3. Step 3: Cross multiply
    7,634.22x = 10,538.40 × 5,247.62
  4. Step 4: Simplify right side
    7,634.22x = 55,301,465.92
  5. Step 5: Solve for x
    x = 55,301,465.92/7,634.22
  6. Step 6: Final answer
    x = 7,243.89

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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.