Home / 11,152.52-16,718.03-4,130.61

Finding the Fourth Proportional to 11,152.52, 16,718.03 and 4,130.61

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Solution

The fourth proportional to 11,152.52, 16,718.03 and 4,130.61 is: 6,191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.52 : 16,718.03 = 4,130.61 : x
  2. Step 2: Convert to fraction form
    11,152.52/16,718.03 = 4,130.61/x
  3. Step 3: Cross multiply
    11,152.52x = 16,718.03 × 4,130.61
  4. Step 4: Simplify right side
    11,152.52x = 69,055,688.08
  5. Step 5: Solve for x
    x = 69,055,688.08/11,152.52
  6. Step 6: Final answer
    x = 6,191.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.