Home / 10,193.40-14,067.45-5,718.57

Finding the Fourth Proportional to 10,193.40, 14,067.45 and 5,718.57

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Solution

The fourth proportional to 10,193.40, 14,067.45 and 5,718.57 is: 7,891.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.40 : 14,067.45 = 5,718.57 : x
  2. Step 2: Convert to fraction form
    10,193.40/14,067.45 = 5,718.57/x
  3. Step 3: Cross multiply
    10,193.40x = 14,067.45 × 5,718.57
  4. Step 4: Simplify right side
    10,193.40x = 80,445,697.55
  5. Step 5: Solve for x
    x = 80,445,697.55/10,193.40
  6. Step 6: Final answer
    x = 7,891.94

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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.