Home / 11,041.36-15,239.24-6,328.80

Finding the Fourth Proportional to 11,041.36, 15,239.24 and 6,328.80

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Solution

The fourth proportional to 11,041.36, 15,239.24 and 6,328.80 is: 8,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,041.36 : 15,239.24 = 6,328.80 : x
  2. Step 2: Convert to fraction form
    11,041.36/15,239.24 = 6,328.80/x
  3. Step 3: Cross multiply
    11,041.36x = 15,239.24 × 6,328.80
  4. Step 4: Simplify right side
    11,041.36x = 96,446,102.11
  5. Step 5: Solve for x
    x = 96,446,102.11/11,041.36
  6. Step 6: Final answer
    x = 8,734.98

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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.