Home / 11,071.49-16,615.13-6,145.07

Finding the Fourth Proportional to 11,071.49, 16,615.13 and 6,145.07

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Solution

The fourth proportional to 11,071.49, 16,615.13 and 6,145.07 is: 9,221.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.49 : 16,615.13 = 6,145.07 : x
  2. Step 2: Convert to fraction form
    11,071.49/16,615.13 = 6,145.07/x
  3. Step 3: Cross multiply
    11,071.49x = 16,615.13 × 6,145.07
  4. Step 4: Simplify right side
    11,071.49x = 102,101,023.11
  5. Step 5: Solve for x
    x = 102,101,023.11/11,071.49
  6. Step 6: Final answer
    x = 9,221.98

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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.