Home / 11,381.25-15,698.40-7,395.24

Finding the Fourth Proportional to 11,381.25, 15,698.40 and 7,395.24

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Solution

The fourth proportional to 11,381.25, 15,698.40 and 7,395.24 is: 10,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381.25 : 15,698.40 = 7,395.24 : x
  2. Step 2: Convert to fraction form
    11,381.25/15,698.40 = 7,395.24/x
  3. Step 3: Cross multiply
    11,381.25x = 15,698.40 × 7,395.24
  4. Step 4: Simplify right side
    11,381.25x = 116,093,435.62
  5. Step 5: Solve for x
    x = 116,093,435.62/11,381.25
  6. Step 6: Final answer
    x = 10,200.41

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Half scale
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Double scale
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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.