Home / 8,519.09-11,753.64-4,981.01

Finding the Fourth Proportional to 8,519.09, 11,753.64 and 4,981.01

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Solution

The fourth proportional to 8,519.09, 11,753.64 and 4,981.01 is: 6,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.09 : 11,753.64 = 4,981.01 : x
  2. Step 2: Convert to fraction form
    8,519.09/11,753.64 = 4,981.01/x
  3. Step 3: Cross multiply
    8,519.09x = 11,753.64 × 4,981.01
  4. Step 4: Simplify right side
    8,519.09x = 58,544,939.61
  5. Step 5: Solve for x
    x = 58,544,939.61/8,519.09
  6. Step 6: Final answer
    x = 6,872.21

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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.