Home / 13,276.52-18,319.46-7,610.23

Finding the Fourth Proportional to 13,276.52, 18,319.46 and 7,610.23

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Solution

The fourth proportional to 13,276.52, 18,319.46 and 7,610.23 is: 10,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.52 : 18,319.46 = 7,610.23 : x
  2. Step 2: Convert to fraction form
    13,276.52/18,319.46 = 7,610.23/x
  3. Step 3: Cross multiply
    13,276.52x = 18,319.46 × 7,610.23
  4. Step 4: Simplify right side
    13,276.52x = 139,415,310.33
  5. Step 5: Solve for x
    x = 139,415,310.33/13,276.52
  6. Step 6: Final answer
    x = 10,500.89

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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.