Home / 11,230.88-15,484.65-8,574.08

Finding the Fourth Proportional to 11,230.88, 15,484.65 and 8,574.08

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Solution

The fourth proportional to 11,230.88, 15,484.65 and 8,574.08 is: 11,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.88 : 15,484.65 = 8,574.08 : x
  2. Step 2: Convert to fraction form
    11,230.88/15,484.65 = 8,574.08/x
  3. Step 3: Cross multiply
    11,230.88x = 15,484.65 × 8,574.08
  4. Step 4: Simplify right side
    11,230.88x = 132,766,627.87
  5. Step 5: Solve for x
    x = 132,766,627.87/11,230.88
  6. Step 6: Final answer
    x = 11,821.57

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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.