Home / 11,110.49-15,332.52-6,074.78

Finding the Fourth Proportional to 11,110.49, 15,332.52 and 6,074.78

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Solution

The fourth proportional to 11,110.49, 15,332.52 and 6,074.78 is: 8,383.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.49 : 15,332.52 = 6,074.78 : x
  2. Step 2: Convert to fraction form
    11,110.49/15,332.52 = 6,074.78/x
  3. Step 3: Cross multiply
    11,110.49x = 15,332.52 × 6,074.78
  4. Step 4: Simplify right side
    11,110.49x = 93,141,609.18
  5. Step 5: Solve for x
    x = 93,141,609.18/11,110.49
  6. Step 6: Final answer
    x = 8,383.21

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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.