Home / 13,186.12-19,774.05-4,750.37

Finding the Fourth Proportional to 13,186.12, 19,774.05 and 4,750.37

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Solution

The fourth proportional to 13,186.12, 19,774.05 and 4,750.37 is: 7,123.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.12 : 19,774.05 = 4,750.37 : x
  2. Step 2: Convert to fraction form
    13,186.12/19,774.05 = 4,750.37/x
  3. Step 3: Cross multiply
    13,186.12x = 19,774.05 × 4,750.37
  4. Step 4: Simplify right side
    13,186.12x = 93,934,080.34
  5. Step 5: Solve for x
    x = 93,934,080.34/13,186.12
  6. Step 6: Final answer
    x = 7,123.71

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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.