Home / 12,898.71-19,344.82-4,998.51

Finding the Fourth Proportional to 12,898.71, 19,344.82 and 4,998.51

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Solution

The fourth proportional to 12,898.71, 19,344.82 and 4,998.51 is: 7,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.71 : 19,344.82 = 4,998.51 : x
  2. Step 2: Convert to fraction form
    12,898.71/19,344.82 = 4,998.51/x
  3. Step 3: Cross multiply
    12,898.71x = 19,344.82 × 4,998.51
  4. Step 4: Simplify right side
    12,898.71x = 96,695,276.22
  5. Step 5: Solve for x
    x = 96,695,276.22/12,898.71
  6. Step 6: Final answer
    x = 7,496.51

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Double scale
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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.