Home / 8,215.36-11,337.64-4,860.12

Finding the Fourth Proportional to 8,215.36, 11,337.64 and 4,860.12

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Solution

The fourth proportional to 8,215.36, 11,337.64 and 4,860.12 is: 6,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.36 : 11,337.64 = 4,860.12 : x
  2. Step 2: Convert to fraction form
    8,215.36/11,337.64 = 4,860.12/x
  3. Step 3: Cross multiply
    8,215.36x = 11,337.64 × 4,860.12
  4. Step 4: Simplify right side
    8,215.36x = 55,102,290.92
  5. Step 5: Solve for x
    x = 55,102,290.92/8,215.36
  6. Step 6: Final answer
    x = 6,707.23

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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.