Home / 10,911.87-15,058.89-6,196.59

Finding the Fourth Proportional to 10,911.87, 15,058.89 and 6,196.59

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Solution

The fourth proportional to 10,911.87, 15,058.89 and 6,196.59 is: 8,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.87 : 15,058.89 = 6,196.59 : x
  2. Step 2: Convert to fraction form
    10,911.87/15,058.89 = 6,196.59/x
  3. Step 3: Cross multiply
    10,911.87x = 15,058.89 × 6,196.59
  4. Step 4: Simplify right side
    10,911.87x = 93,313,767.19
  5. Step 5: Solve for x
    x = 93,313,767.19/10,911.87
  6. Step 6: Final answer
    x = 8,551.58

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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.