Home / 10,982.42-15,155.75-5,946.65

Finding the Fourth Proportional to 10,982.42, 15,155.75 and 5,946.65

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Solution

The fourth proportional to 10,982.42, 15,155.75 and 5,946.65 is: 8,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.42 : 15,155.75 = 5,946.65 : x
  2. Step 2: Convert to fraction form
    10,982.42/15,155.75 = 5,946.65/x
  3. Step 3: Cross multiply
    10,982.42x = 15,155.75 × 5,946.65
  4. Step 4: Simplify right side
    10,982.42x = 90,125,936.66
  5. Step 5: Solve for x
    x = 90,125,936.66/10,982.42
  6. Step 6: Final answer
    x = 8,206.38

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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.