Home / 11,274.20-15,557.33-7,632.84

Finding the Fourth Proportional to 11,274.20, 15,557.33 and 7,632.84

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Solution

The fourth proportional to 11,274.20, 15,557.33 and 7,632.84 is: 10,532.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.20 : 15,557.33 = 7,632.84 : x
  2. Step 2: Convert to fraction form
    11,274.20/15,557.33 = 7,632.84/x
  3. Step 3: Cross multiply
    11,274.20x = 15,557.33 × 7,632.84
  4. Step 4: Simplify right side
    11,274.20x = 118,746,542.47
  5. Step 5: Solve for x
    x = 118,746,542.47/11,274.20
  6. Step 6: Final answer
    x = 10,532.59

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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.