Home / 11,337.52-15,633.57-7,087.03

Finding the Fourth Proportional to 11,337.52, 15,633.57 and 7,087.03

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Solution

The fourth proportional to 11,337.52, 15,633.57 and 7,087.03 is: 9,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337.52 : 15,633.57 = 7,087.03 : x
  2. Step 2: Convert to fraction form
    11,337.52/15,633.57 = 7,087.03/x
  3. Step 3: Cross multiply
    11,337.52x = 15,633.57 × 7,087.03
  4. Step 4: Simplify right side
    11,337.52x = 110,795,579.60
  5. Step 5: Solve for x
    x = 110,795,579.60/11,337.52
  6. Step 6: Final answer
    x = 9,772.47

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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.