Home / 10,536.98-15,805.28-3,141.47

Finding the Fourth Proportional to 10,536.98, 15,805.28 and 3,141.47

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Solution

The fourth proportional to 10,536.98, 15,805.28 and 3,141.47 is: 4,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.98 : 15,805.28 = 3,141.47 : x
  2. Step 2: Convert to fraction form
    10,536.98/15,805.28 = 3,141.47/x
  3. Step 3: Cross multiply
    10,536.98x = 15,805.28 × 3,141.47
  4. Step 4: Simplify right side
    10,536.98x = 49,651,860.33
  5. Step 5: Solve for x
    x = 49,651,860.33/10,536.98
  6. Step 6: Final answer
    x = 4,712.16

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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.