Home / 11,724.95-16,175.84-7,240.93

Finding the Fourth Proportional to 11,724.95, 16,175.84 and 7,240.93

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Solution

The fourth proportional to 11,724.95, 16,175.84 and 7,240.93 is: 9,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.95 : 16,175.84 = 7,240.93 : x
  2. Step 2: Convert to fraction form
    11,724.95/16,175.84 = 7,240.93/x
  3. Step 3: Cross multiply
    11,724.95x = 16,175.84 × 7,240.93
  4. Step 4: Simplify right side
    11,724.95x = 117,128,048.49
  5. Step 5: Solve for x
    x = 117,128,048.49/11,724.95
  6. Step 6: Final answer
    x = 9,989.64

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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.