Home / 11,276.07-15,546.80-7,235.75

Finding the Fourth Proportional to 11,276.07, 15,546.80 and 7,235.75

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Solution

The fourth proportional to 11,276.07, 15,546.80 and 7,235.75 is: 9,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.07 : 15,546.80 = 7,235.75 : x
  2. Step 2: Convert to fraction form
    11,276.07/15,546.80 = 7,235.75/x
  3. Step 3: Cross multiply
    11,276.07x = 15,546.80 × 7,235.75
  4. Step 4: Simplify right side
    11,276.07x = 112,492,758.10
  5. Step 5: Solve for x
    x = 112,492,758.10/11,276.07
  6. Step 6: Final answer
    x = 9,976.24

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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.