Home / 10,560.75-15,844.63-3,987.51

Finding the Fourth Proportional to 10,560.75, 15,844.63 and 3,987.51

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Solution

The fourth proportional to 10,560.75, 15,844.63 and 3,987.51 is: 5,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.75 : 15,844.63 = 3,987.51 : x
  2. Step 2: Convert to fraction form
    10,560.75/15,844.63 = 3,987.51/x
  3. Step 3: Cross multiply
    10,560.75x = 15,844.63 × 3,987.51
  4. Step 4: Simplify right side
    10,560.75x = 63,180,620.57
  5. Step 5: Solve for x
    x = 63,180,620.57/10,560.75
  6. Step 6: Final answer
    x = 5,982.59

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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.