Home / 7,451.64-11,179.48-6,635.58

Finding the Fourth Proportional to 7,451.64, 11,179.48 and 6,635.58

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Solution

The fourth proportional to 7,451.64, 11,179.48 and 6,635.58 is: 9,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.64 : 11,179.48 = 6,635.58 : x
  2. Step 2: Convert to fraction form
    7,451.64/11,179.48 = 6,635.58/x
  3. Step 3: Cross multiply
    7,451.64x = 11,179.48 × 6,635.58
  4. Step 4: Simplify right side
    7,451.64x = 74,182,333.90
  5. Step 5: Solve for x
    x = 74,182,333.90/7,451.64
  6. Step 6: Final answer
    x = 9,955.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.