Home / 11,724.16-16,174.40-7,476.48

Finding the Fourth Proportional to 11,724.16, 16,174.40 and 7,476.48

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Solution

The fourth proportional to 11,724.16, 16,174.40 and 7,476.48 is: 10,314.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.16 : 16,174.40 = 7,476.48 : x
  2. Step 2: Convert to fraction form
    11,724.16/16,174.40 = 7,476.48/x
  3. Step 3: Cross multiply
    11,724.16x = 16,174.40 × 7,476.48
  4. Step 4: Simplify right side
    11,724.16x = 120,927,578.11
  5. Step 5: Solve for x
    x = 120,927,578.11/11,724.16
  6. Step 6: Final answer
    x = 10,314.39

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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.