Home / 11,120.92-15,346.68-6,085

Finding the Fourth Proportional to 11,120.92, 15,346.68 and 6,085

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Solution

The fourth proportional to 11,120.92, 15,346.68 and 6,085 is: 8,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.92 : 15,346.68 = 6,085 : x
  2. Step 2: Convert to fraction form
    11,120.92/15,346.68 = 6,085/x
  3. Step 3: Cross multiply
    11,120.92x = 15,346.68 × 6,085
  4. Step 4: Simplify right side
    11,120.92x = 93,384,547.80
  5. Step 5: Solve for x
    x = 93,384,547.80/11,120.92
  6. Step 6: Final answer
    x = 8,397.20

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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.