Home / 11,666.51-17,499.30-2,901.20

Finding the Fourth Proportional to 11,666.51, 17,499.30 and 2,901.20

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Solution

The fourth proportional to 11,666.51, 17,499.30 and 2,901.20 is: 4,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.51 : 17,499.30 = 2,901.20 : x
  2. Step 2: Convert to fraction form
    11,666.51/17,499.30 = 2,901.20/x
  3. Step 3: Cross multiply
    11,666.51x = 17,499.30 × 2,901.20
  4. Step 4: Simplify right side
    11,666.51x = 50,768,969.16
  5. Step 5: Solve for x
    x = 50,768,969.16/11,666.51
  6. Step 6: Final answer
    x = 4,351.68

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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.