Home / 11,175.98-15,423.24-6,140.37

Finding the Fourth Proportional to 11,175.98, 15,423.24 and 6,140.37

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Solution

The fourth proportional to 11,175.98, 15,423.24 and 6,140.37 is: 8,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.98 : 15,423.24 = 6,140.37 : x
  2. Step 2: Convert to fraction form
    11,175.98/15,423.24 = 6,140.37/x
  3. Step 3: Cross multiply
    11,175.98x = 15,423.24 × 6,140.37
  4. Step 4: Simplify right side
    11,175.98x = 94,704,323.08
  5. Step 5: Solve for x
    x = 94,704,323.08/11,175.98
  6. Step 6: Final answer
    x = 8,473.92

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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.