Home / 12,484.05-18,726.45-5,460.44

Finding the Fourth Proportional to 12,484.05, 18,726.45 and 5,460.44

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Solution

The fourth proportional to 12,484.05, 18,726.45 and 5,460.44 is: 8,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.05 : 18,726.45 = 5,460.44 : x
  2. Step 2: Convert to fraction form
    12,484.05/18,726.45 = 5,460.44/x
  3. Step 3: Cross multiply
    12,484.05x = 18,726.45 × 5,460.44
  4. Step 4: Simplify right side
    12,484.05x = 102,254,656.64
  5. Step 5: Solve for x
    x = 102,254,656.64/12,484.05
  6. Step 6: Final answer
    x = 8,190.82

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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.