Home / 10,161.99-14,022.18-5,685.93

Finding the Fourth Proportional to 10,161.99, 14,022.18 and 5,685.93

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Solution

The fourth proportional to 10,161.99, 14,022.18 and 5,685.93 is: 7,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.99 : 14,022.18 = 5,685.93 : x
  2. Step 2: Convert to fraction form
    10,161.99/14,022.18 = 5,685.93/x
  3. Step 3: Cross multiply
    10,161.99x = 14,022.18 × 5,685.93
  4. Step 4: Simplify right side
    10,161.99x = 79,729,133.93
  5. Step 5: Solve for x
    x = 79,729,133.93/10,161.99
  6. Step 6: Final answer
    x = 7,845.82

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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.