Home / 10,018.26-13,826.08-5,542.74

Finding the Fourth Proportional to 10,018.26, 13,826.08 and 5,542.74

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Solution

The fourth proportional to 10,018.26, 13,826.08 and 5,542.74 is: 7,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.26 : 13,826.08 = 5,542.74 : x
  2. Step 2: Convert to fraction form
    10,018.26/13,826.08 = 5,542.74/x
  3. Step 3: Cross multiply
    10,018.26x = 13,826.08 × 5,542.74
  4. Step 4: Simplify right side
    10,018.26x = 76,634,366.66
  5. Step 5: Solve for x
    x = 76,634,366.66/10,018.26
  6. Step 6: Final answer
    x = 7,649.47

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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.