Home / 12,593.07-18,863.64-7,386.39

Finding the Fourth Proportional to 12,593.07, 18,863.64 and 7,386.39

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Solution

The fourth proportional to 12,593.07, 18,863.64 and 7,386.39 is: 11,064.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.07 : 18,863.64 = 7,386.39 : x
  2. Step 2: Convert to fraction form
    12,593.07/18,863.64 = 7,386.39/x
  3. Step 3: Cross multiply
    12,593.07x = 18,863.64 × 7,386.39
  4. Step 4: Simplify right side
    12,593.07x = 139,334,201.86
  5. Step 5: Solve for x
    x = 139,334,201.86/12,593.07
  6. Step 6: Final answer
    x = 11,064.36

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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.