Home / 11,130.35-16,693.39-7,175.39

Finding the Fourth Proportional to 11,130.35, 16,693.39 and 7,175.39

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Solution

The fourth proportional to 11,130.35, 16,693.39 and 7,175.39 is: 10,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.35 : 16,693.39 = 7,175.39 : x
  2. Step 2: Convert to fraction form
    11,130.35/16,693.39 = 7,175.39/x
  3. Step 3: Cross multiply
    11,130.35x = 16,693.39 × 7,175.39
  4. Step 4: Simplify right side
    11,130.35x = 119,781,509.17
  5. Step 5: Solve for x
    x = 119,781,509.17/11,130.35
  6. Step 6: Final answer
    x = 10,761.71

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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.