Home / 10,088.82-13,920.39-6,110.10

Finding the Fourth Proportional to 10,088.82, 13,920.39 and 6,110.10

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Solution

The fourth proportional to 10,088.82, 13,920.39 and 6,110.10 is: 8,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.82 : 13,920.39 = 6,110.10 : x
  2. Step 2: Convert to fraction form
    10,088.82/13,920.39 = 6,110.10/x
  3. Step 3: Cross multiply
    10,088.82x = 13,920.39 × 6,110.10
  4. Step 4: Simplify right side
    10,088.82x = 85,054,974.94
  5. Step 5: Solve for x
    x = 85,054,974.94/10,088.82
  6. Step 6: Final answer
    x = 8,430.62

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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.