Home / 11,540.19-15,919.76-7,232.50

Finding the Fourth Proportional to 11,540.19, 15,919.76 and 7,232.50

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Solution

The fourth proportional to 11,540.19, 15,919.76 and 7,232.50 is: 9,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,540.19 : 15,919.76 = 7,232.50 : x
  2. Step 2: Convert to fraction form
    11,540.19/15,919.76 = 7,232.50/x
  3. Step 3: Cross multiply
    11,540.19x = 15,919.76 × 7,232.50
  4. Step 4: Simplify right side
    11,540.19x = 115,139,642.48
  5. Step 5: Solve for x
    x = 115,139,642.48/11,540.19
  6. Step 6: Final answer
    x = 9,977.27

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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.