Home / 11,301.81-16,953.48-4,186.71

Finding the Fourth Proportional to 11,301.81, 16,953.48 and 4,186.71

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Solution

The fourth proportional to 11,301.81, 16,953.48 and 4,186.71 is: 6,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.81 : 16,953.48 = 4,186.71 : x
  2. Step 2: Convert to fraction form
    11,301.81/16,953.48 = 4,186.71/x
  3. Step 3: Cross multiply
    11,301.81x = 16,953.48 × 4,186.71
  4. Step 4: Simplify right side
    11,301.81x = 70,979,304.25
  5. Step 5: Solve for x
    x = 70,979,304.25/11,301.81
  6. Step 6: Final answer
    x = 6,280.35

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1.5x scale

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.