Home / 12,893.66-19,341.47-5,498.15

Finding the Fourth Proportional to 12,893.66, 19,341.47 and 5,498.15

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Solution

The fourth proportional to 12,893.66, 19,341.47 and 5,498.15 is: 8,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.66 : 19,341.47 = 5,498.15 : x
  2. Step 2: Convert to fraction form
    12,893.66/19,341.47 = 5,498.15/x
  3. Step 3: Cross multiply
    12,893.66x = 19,341.47 × 5,498.15
  4. Step 4: Simplify right side
    12,893.66x = 106,342,365.38
  5. Step 5: Solve for x
    x = 106,342,365.38/12,893.66
  6. Step 6: Final answer
    x = 8,247.65

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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.