Home / 11,275.12-15,573.90-8,616.52

Finding the Fourth Proportional to 11,275.12, 15,573.90 and 8,616.52

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Solution

The fourth proportional to 11,275.12, 15,573.90 and 8,616.52 is: 11,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.12 : 15,573.90 = 8,616.52 : x
  2. Step 2: Convert to fraction form
    11,275.12/15,573.90 = 8,616.52/x
  3. Step 3: Cross multiply
    11,275.12x = 15,573.90 × 8,616.52
  4. Step 4: Simplify right side
    11,275.12x = 134,192,820.83
  5. Step 5: Solve for x
    x = 134,192,820.83/11,275.12
  6. Step 6: Final answer
    x = 11,901.68

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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.