Home / 12,683.52-19,014.96-5,293.48

Finding the Fourth Proportional to 12,683.52, 19,014.96 and 5,293.48

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Solution

The fourth proportional to 12,683.52, 19,014.96 and 5,293.48 is: 7,935.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,683.52 : 19,014.96 = 5,293.48 : x
  2. Step 2: Convert to fraction form
    12,683.52/19,014.96 = 5,293.48/x
  3. Step 3: Cross multiply
    12,683.52x = 19,014.96 × 5,293.48
  4. Step 4: Simplify right side
    12,683.52x = 100,655,310.46
  5. Step 5: Solve for x
    x = 100,655,310.46/12,683.52
  6. Step 6: Final answer
    x = 7,935.91

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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.