Home / 11,570.66-17,356.04-2,805.57

Finding the Fourth Proportional to 11,570.66, 17,356.04 and 2,805.57

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Solution

The fourth proportional to 11,570.66, 17,356.04 and 2,805.57 is: 4,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.66 : 17,356.04 = 2,805.57 : x
  2. Step 2: Convert to fraction form
    11,570.66/17,356.04 = 2,805.57/x
  3. Step 3: Cross multiply
    11,570.66x = 17,356.04 × 2,805.57
  4. Step 4: Simplify right side
    11,570.66x = 48,693,484.33
  5. Step 5: Solve for x
    x = 48,693,484.33/11,570.66
  6. Step 6: Final answer
    x = 4,208.36

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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.