Home / 10,981.07-16,447.00-6,589.45

Finding the Fourth Proportional to 10,981.07, 16,447.00 and 6,589.45

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Solution

The fourth proportional to 10,981.07, 16,447.00 and 6,589.45 is: 9,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.07 : 16,447.00 = 6,589.45 : x
  2. Step 2: Convert to fraction form
    10,981.07/16,447.00 = 6,589.45/x
  3. Step 3: Cross multiply
    10,981.07x = 16,447.00 × 6,589.45
  4. Step 4: Simplify right side
    10,981.07x = 108,376,700.59
  5. Step 5: Solve for x
    x = 108,376,700.59/10,981.07
  6. Step 6: Final answer
    x = 9,869.41

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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.