Home / 10,523.71-15,791.37-4,288.06

Finding the Fourth Proportional to 10,523.71, 15,791.37 and 4,288.06

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Solution

The fourth proportional to 10,523.71, 15,791.37 and 4,288.06 is: 6,434.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.71 : 15,791.37 = 4,288.06 : x
  2. Step 2: Convert to fraction form
    10,523.71/15,791.37 = 4,288.06/x
  3. Step 3: Cross multiply
    10,523.71x = 15,791.37 × 4,288.06
  4. Step 4: Simplify right side
    10,523.71x = 67,714,342.04
  5. Step 5: Solve for x
    x = 67,714,342.04/10,523.71
  6. Step 6: Final answer
    x = 6,434.46

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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.