Home / 11,192.54-15,445.50-7,655.64

Finding the Fourth Proportional to 11,192.54, 15,445.50 and 7,655.64

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Solution

The fourth proportional to 11,192.54, 15,445.50 and 7,655.64 is: 10,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.54 : 15,445.50 = 7,655.64 : x
  2. Step 2: Convert to fraction form
    11,192.54/15,445.50 = 7,655.64/x
  3. Step 3: Cross multiply
    11,192.54x = 15,445.50 × 7,655.64
  4. Step 4: Simplify right side
    11,192.54x = 118,245,187.62
  5. Step 5: Solve for x
    x = 118,245,187.62/11,192.54
  6. Step 6: Final answer
    x = 10,564.64

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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.