Home / 11,995.02-16,552.62-6,689.70

Finding the Fourth Proportional to 11,995.02, 16,552.62 and 6,689.70

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Solution

The fourth proportional to 11,995.02, 16,552.62 and 6,689.70 is: 9,231.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.02 : 16,552.62 = 6,689.70 : x
  2. Step 2: Convert to fraction form
    11,995.02/16,552.62 = 6,689.70/x
  3. Step 3: Cross multiply
    11,995.02x = 16,552.62 × 6,689.70
  4. Step 4: Simplify right side
    11,995.02x = 110,732,062.01
  5. Step 5: Solve for x
    x = 110,732,062.01/11,995.02
  6. Step 6: Final answer
    x = 9,231.50

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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.