Home / 11,342.52-15,648.45-8,365.50

Finding the Fourth Proportional to 11,342.52, 15,648.45 and 8,365.50

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Solution

The fourth proportional to 11,342.52, 15,648.45 and 8,365.50 is: 11,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.52 : 15,648.45 = 8,365.50 : x
  2. Step 2: Convert to fraction form
    11,342.52/15,648.45 = 8,365.50/x
  3. Step 3: Cross multiply
    11,342.52x = 15,648.45 × 8,365.50
  4. Step 4: Simplify right side
    11,342.52x = 130,907,108.48
  5. Step 5: Solve for x
    x = 130,907,108.48/11,342.52
  6. Step 6: Final answer
    x = 11,541.27

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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.