Home / 9,424.50-13,005.38-5,649.75

Finding the Fourth Proportional to 9,424.50, 13,005.38 and 5,649.75

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Solution

The fourth proportional to 9,424.50, 13,005.38 and 5,649.75 is: 7,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424.50 : 13,005.38 = 5,649.75 : x
  2. Step 2: Convert to fraction form
    9,424.50/13,005.38 = 5,649.75/x
  3. Step 3: Cross multiply
    9,424.50x = 13,005.38 × 5,649.75
  4. Step 4: Simplify right side
    9,424.50x = 73,477,117.41
  5. Step 5: Solve for x
    x = 73,477,117.41/9,424.50
  6. Step 6: Final answer
    x = 7,796.39

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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.