Home / 11,617.82-16,032.56-6,312.66

Finding the Fourth Proportional to 11,617.82, 16,032.56 and 6,312.66

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Solution

The fourth proportional to 11,617.82, 16,032.56 and 6,312.66 is: 8,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.82 : 16,032.56 = 6,312.66 : x
  2. Step 2: Convert to fraction form
    11,617.82/16,032.56 = 6,312.66/x
  3. Step 3: Cross multiply
    11,617.82x = 16,032.56 × 6,312.66
  4. Step 4: Simplify right side
    11,617.82x = 101,208,100.21
  5. Step 5: Solve for x
    x = 101,208,100.21/11,617.82
  6. Step 6: Final answer
    x = 8,711.45

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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.