Home / 11,461.52-15,816.33-6,745.50

Finding the Fourth Proportional to 11,461.52, 15,816.33 and 6,745.50

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Solution

The fourth proportional to 11,461.52, 15,816.33 and 6,745.50 is: 9,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,461.52 : 15,816.33 = 6,745.50 : x
  2. Step 2: Convert to fraction form
    11,461.52/15,816.33 = 6,745.50/x
  3. Step 3: Cross multiply
    11,461.52x = 15,816.33 × 6,745.50
  4. Step 4: Simplify right side
    11,461.52x = 106,689,054.02
  5. Step 5: Solve for x
    x = 106,689,054.02/11,461.52
  6. Step 6: Final answer
    x = 9,308.45

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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.