Home / 11,667.70-17,498.40-4,272.19

Finding the Fourth Proportional to 11,667.70, 17,498.40 and 4,272.19

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Solution

The fourth proportional to 11,667.70, 17,498.40 and 4,272.19 is: 6,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,667.70 : 17,498.40 = 4,272.19 : x
  2. Step 2: Convert to fraction form
    11,667.70/17,498.40 = 4,272.19/x
  3. Step 3: Cross multiply
    11,667.70x = 17,498.40 × 4,272.19
  4. Step 4: Simplify right side
    11,667.70x = 74,756,533.24
  5. Step 5: Solve for x
    x = 74,756,533.24/11,667.70
  6. Step 6: Final answer
    x = 6,407.14

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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.