Home / 11,235.02-16,838.86-7,949.06

Finding the Fourth Proportional to 11,235.02, 16,838.86 and 7,949.06

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Solution

The fourth proportional to 11,235.02, 16,838.86 and 7,949.06 is: 11,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.02 : 16,838.86 = 7,949.06 : x
  2. Step 2: Convert to fraction form
    11,235.02/16,838.86 = 7,949.06/x
  3. Step 3: Cross multiply
    11,235.02x = 16,838.86 × 7,949.06
  4. Step 4: Simplify right side
    11,235.02x = 133,853,108.47
  5. Step 5: Solve for x
    x = 133,853,108.47/11,235.02
  6. Step 6: Final answer
    x = 11,913.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.