Home / 11,328.17-15,634.57-8,151.98

Finding the Fourth Proportional to 11,328.17, 15,634.57 and 8,151.98

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Solution

The fourth proportional to 11,328.17, 15,634.57 and 8,151.98 is: 11,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.17 : 15,634.57 = 8,151.98 : x
  2. Step 2: Convert to fraction form
    11,328.17/15,634.57 = 8,151.98/x
  3. Step 3: Cross multiply
    11,328.17x = 15,634.57 × 8,151.98
  4. Step 4: Simplify right side
    11,328.17x = 127,452,623.78
  5. Step 5: Solve for x
    x = 127,452,623.78/11,328.17
  6. Step 6: Final answer
    x = 11,250.95

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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.