Home / 10,161.84-14,022.54-5,685.24

Finding the Fourth Proportional to 10,161.84, 14,022.54 and 5,685.24

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Solution

The fourth proportional to 10,161.84, 14,022.54 and 5,685.24 is: 7,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.84 : 14,022.54 = 5,685.24 : x
  2. Step 2: Convert to fraction form
    10,161.84/14,022.54 = 5,685.24/x
  3. Step 3: Cross multiply
    10,161.84x = 14,022.54 × 5,685.24
  4. Step 4: Simplify right side
    10,161.84x = 79,721,505.31
  5. Step 5: Solve for x
    x = 79,721,505.31/10,161.84
  6. Step 6: Final answer
    x = 7,845.18

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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.