Home / 9,835.68-13,631.80-9,651.36

Finding the Fourth Proportional to 9,835.68, 13,631.80 and 9,651.36

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Solution

The fourth proportional to 9,835.68, 13,631.80 and 9,651.36 is: 13,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,835.68 : 13,631.80 = 9,651.36 : x
  2. Step 2: Convert to fraction form
    9,835.68/13,631.80 = 9,651.36/x
  3. Step 3: Cross multiply
    9,835.68x = 13,631.80 × 9,651.36
  4. Step 4: Simplify right side
    9,835.68x = 131,565,409.25
  5. Step 5: Solve for x
    x = 131,565,409.25/9,835.68
  6. Step 6: Final answer
    x = 13,376.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.