Home / 12,655.11-17,464.29-7,350.27

Finding the Fourth Proportional to 12,655.11, 17,464.29 and 7,350.27

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Solution

The fourth proportional to 12,655.11, 17,464.29 and 7,350.27 is: 10,143.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655.11 : 17,464.29 = 7,350.27 : x
  2. Step 2: Convert to fraction form
    12,655.11/17,464.29 = 7,350.27/x
  3. Step 3: Cross multiply
    12,655.11x = 17,464.29 × 7,350.27
  4. Step 4: Simplify right side
    12,655.11x = 128,367,246.86
  5. Step 5: Solve for x
    x = 128,367,246.86/12,655.11
  6. Step 6: Final answer
    x = 10,143.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.