Home / 9,862.08-13,610.96-5,612.32

Finding the Fourth Proportional to 9,862.08, 13,610.96 and 5,612.32

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Solution

The fourth proportional to 9,862.08, 13,610.96 and 5,612.32 is: 7,745.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.08 : 13,610.96 = 5,612.32 : x
  2. Step 2: Convert to fraction form
    9,862.08/13,610.96 = 5,612.32/x
  3. Step 3: Cross multiply
    9,862.08x = 13,610.96 × 5,612.32
  4. Step 4: Simplify right side
    9,862.08x = 76,389,021.98
  5. Step 5: Solve for x
    x = 76,389,021.98/9,862.08
  6. Step 6: Final answer
    x = 7,745.73

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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.