Home / 11,685.20-17,551.38-7,014.08

Finding the Fourth Proportional to 11,685.20, 17,551.38 and 7,014.08

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Solution

The fourth proportional to 11,685.20, 17,551.38 and 7,014.08 is: 10,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.20 : 17,551.38 = 7,014.08 : x
  2. Step 2: Convert to fraction form
    11,685.20/17,551.38 = 7,014.08/x
  3. Step 3: Cross multiply
    11,685.20x = 17,551.38 × 7,014.08
  4. Step 4: Simplify right side
    11,685.20x = 123,106,695.67
  5. Step 5: Solve for x
    x = 123,106,695.67/11,685.20
  6. Step 6: Final answer
    x = 10,535.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.