Home / 11,088.80-15,301.68-6,372.08

Finding the Fourth Proportional to 11,088.80, 15,301.68 and 6,372.08

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Solution

The fourth proportional to 11,088.80, 15,301.68 and 6,372.08 is: 8,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.80 : 15,301.68 = 6,372.08 : x
  2. Step 2: Convert to fraction form
    11,088.80/15,301.68 = 6,372.08/x
  3. Step 3: Cross multiply
    11,088.80x = 15,301.68 × 6,372.08
  4. Step 4: Simplify right side
    11,088.80x = 97,503,529.09
  5. Step 5: Solve for x
    x = 97,503,529.09/11,088.80
  6. Step 6: Final answer
    x = 8,792.97

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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.