Home / 11,810.75-16,298.66-6,505.57

Finding the Fourth Proportional to 11,810.75, 16,298.66 and 6,505.57

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Solution

The fourth proportional to 11,810.75, 16,298.66 and 6,505.57 is: 8,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.75 : 16,298.66 = 6,505.57 : x
  2. Step 2: Convert to fraction form
    11,810.75/16,298.66 = 6,505.57/x
  3. Step 3: Cross multiply
    11,810.75x = 16,298.66 × 6,505.57
  4. Step 4: Simplify right side
    11,810.75x = 106,032,073.54
  5. Step 5: Solve for x
    x = 106,032,073.54/11,810.75
  6. Step 6: Final answer
    x = 8,977.59

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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.