Home / 7,455.44-11,160.12-6,672.08

Finding the Fourth Proportional to 7,455.44, 11,160.12 and 6,672.08

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Solution

The fourth proportional to 7,455.44, 11,160.12 and 6,672.08 is: 9,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.44 : 11,160.12 = 6,672.08 : x
  2. Step 2: Convert to fraction form
    7,455.44/11,160.12 = 6,672.08/x
  3. Step 3: Cross multiply
    7,455.44x = 11,160.12 × 6,672.08
  4. Step 4: Simplify right side
    7,455.44x = 74,461,213.45
  5. Step 5: Solve for x
    x = 74,461,213.45/7,455.44
  6. Step 6: Final answer
    x = 9,987.50

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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.