Home / 11,201.49-15,451.63-7,002.45

Finding the Fourth Proportional to 11,201.49, 15,451.63 and 7,002.45

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Solution

The fourth proportional to 11,201.49, 15,451.63 and 7,002.45 is: 9,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.49 : 15,451.63 = 7,002.45 : x
  2. Step 2: Convert to fraction form
    11,201.49/15,451.63 = 7,002.45/x
  3. Step 3: Cross multiply
    11,201.49x = 15,451.63 × 7,002.45
  4. Step 4: Simplify right side
    11,201.49x = 108,199,248.99
  5. Step 5: Solve for x
    x = 108,199,248.99/11,201.49
  6. Step 6: Final answer
    x = 9,659.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.