Home / 11,045.52-15,245.64-6,851.34

Finding the Fourth Proportional to 11,045.52, 15,245.64 and 6,851.34

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Solution

The fourth proportional to 11,045.52, 15,245.64 and 6,851.34 is: 9,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.52 : 15,245.64 = 6,851.34 : x
  2. Step 2: Convert to fraction form
    11,045.52/15,245.64 = 6,851.34/x
  3. Step 3: Cross multiply
    11,045.52x = 15,245.64 × 6,851.34
  4. Step 4: Simplify right side
    11,045.52x = 104,453,063.16
  5. Step 5: Solve for x
    x = 104,453,063.16/11,045.52
  6. Step 6: Final answer
    x = 9,456.60

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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.