Home / 10,238.12-14,129.97-5,762.75

Finding the Fourth Proportional to 10,238.12, 14,129.97 and 5,762.75

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Solution

The fourth proportional to 10,238.12, 14,129.97 and 5,762.75 is: 7,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,238.12 : 14,129.97 = 5,762.75 : x
  2. Step 2: Convert to fraction form
    10,238.12/14,129.97 = 5,762.75/x
  3. Step 3: Cross multiply
    10,238.12x = 14,129.97 × 5,762.75
  4. Step 4: Simplify right side
    10,238.12x = 81,427,413.97
  5. Step 5: Solve for x
    x = 81,427,413.97/10,238.12
  6. Step 6: Final answer
    x = 7,953.35

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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.