Home / 11,729.74-17,595.40-4,130.11

Finding the Fourth Proportional to 11,729.74, 17,595.40 and 4,130.11

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Solution

The fourth proportional to 11,729.74, 17,595.40 and 4,130.11 is: 6,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.74 : 17,595.40 = 4,130.11 : x
  2. Step 2: Convert to fraction form
    11,729.74/17,595.40 = 4,130.11/x
  3. Step 3: Cross multiply
    11,729.74x = 17,595.40 × 4,130.11
  4. Step 4: Simplify right side
    11,729.74x = 72,670,937.49
  5. Step 5: Solve for x
    x = 72,670,937.49/11,729.74
  6. Step 6: Final answer
    x = 6,195.44

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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.