Home / 11,043.51-15,216.98-7,500.57

Finding the Fourth Proportional to 11,043.51, 15,216.98 and 7,500.57

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Solution

The fourth proportional to 11,043.51, 15,216.98 and 7,500.57 is: 10,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.51 : 15,216.98 = 7,500.57 : x
  2. Step 2: Convert to fraction form
    11,043.51/15,216.98 = 7,500.57/x
  3. Step 3: Cross multiply
    11,043.51x = 15,216.98 × 7,500.57
  4. Step 4: Simplify right side
    11,043.51x = 114,135,986.18
  5. Step 5: Solve for x
    x = 114,135,986.18/11,043.51
  6. Step 6: Final answer
    x = 10,335.12

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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.