Home / 11,089.09-15,300.66-6,372.46

Finding the Fourth Proportional to 11,089.09, 15,300.66 and 6,372.46

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Solution

The fourth proportional to 11,089.09, 15,300.66 and 6,372.46 is: 8,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.09 : 15,300.66 = 6,372.46 : x
  2. Step 2: Convert to fraction form
    11,089.09/15,300.66 = 6,372.46/x
  3. Step 3: Cross multiply
    11,089.09x = 15,300.66 × 6,372.46
  4. Step 4: Simplify right side
    11,089.09x = 97,502,843.82
  5. Step 5: Solve for x
    x = 97,502,843.82/11,089.09
  6. Step 6: Final answer
    x = 8,792.68

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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.