Home / 11,549.86-15,940.50-6,835.66

Finding the Fourth Proportional to 11,549.86, 15,940.50 and 6,835.66

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Solution

The fourth proportional to 11,549.86, 15,940.50 and 6,835.66 is: 9,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,549.86 : 15,940.50 = 6,835.66 : x
  2. Step 2: Convert to fraction form
    11,549.86/15,940.50 = 6,835.66/x
  3. Step 3: Cross multiply
    11,549.86x = 15,940.50 × 6,835.66
  4. Step 4: Simplify right side
    11,549.86x = 108,963,838.23
  5. Step 5: Solve for x
    x = 108,963,838.23/11,549.86
  6. Step 6: Final answer
    x = 9,434.21

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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.