Home / 8,199.76-11,315.28-4,662.58

Finding the Fourth Proportional to 8,199.76, 11,315.28 and 4,662.58

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Solution

The fourth proportional to 8,199.76, 11,315.28 and 4,662.58 is: 6,434.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.76 : 11,315.28 = 4,662.58 : x
  2. Step 2: Convert to fraction form
    8,199.76/11,315.28 = 4,662.58/x
  3. Step 3: Cross multiply
    8,199.76x = 11,315.28 × 4,662.58
  4. Step 4: Simplify right side
    8,199.76x = 52,758,398.22
  5. Step 5: Solve for x
    x = 52,758,398.22/8,199.76
  6. Step 6: Final answer
    x = 6,434.14

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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.