Home / 10,636.84-14,678.82-5,921.08

Finding the Fourth Proportional to 10,636.84, 14,678.82 and 5,921.08

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Solution

The fourth proportional to 10,636.84, 14,678.82 and 5,921.08 is: 8,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.84 : 14,678.82 = 5,921.08 : x
  2. Step 2: Convert to fraction form
    10,636.84/14,678.82 = 5,921.08/x
  3. Step 3: Cross multiply
    10,636.84x = 14,678.82 × 5,921.08
  4. Step 4: Simplify right side
    10,636.84x = 86,914,467.53
  5. Step 5: Solve for x
    x = 86,914,467.53/10,636.84
  6. Step 6: Final answer
    x = 8,171.08

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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.