Home / 11,718.27-16,168.01-7,528.95

Finding the Fourth Proportional to 11,718.27, 16,168.01 and 7,528.95

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Solution

The fourth proportional to 11,718.27, 16,168.01 and 7,528.95 is: 10,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.27 : 16,168.01 = 7,528.95 : x
  2. Step 2: Convert to fraction form
    11,718.27/16,168.01 = 7,528.95/x
  3. Step 3: Cross multiply
    11,718.27x = 16,168.01 × 7,528.95
  4. Step 4: Simplify right side
    11,718.27x = 121,728,101.24
  5. Step 5: Solve for x
    x = 121,728,101.24/11,718.27
  6. Step 6: Final answer
    x = 10,387.89

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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.