Home / 9,685.68-13,273.14-8,752.56

Finding the Fourth Proportional to 9,685.68, 13,273.14 and 8,752.56

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Solution

The fourth proportional to 9,685.68, 13,273.14 and 8,752.56 is: 11,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,685.68 : 13,273.14 = 8,752.56 : x
  2. Step 2: Convert to fraction form
    9,685.68/13,273.14 = 8,752.56/x
  3. Step 3: Cross multiply
    9,685.68x = 13,273.14 × 8,752.56
  4. Step 4: Simplify right side
    9,685.68x = 116,173,954.24
  5. Step 5: Solve for x
    x = 116,173,954.24/9,685.68
  6. Step 6: Final answer
    x = 11,994.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.