Home / 11,588.87-15,986.75-7,332.76

Finding the Fourth Proportional to 11,588.87, 15,986.75 and 7,332.76

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Solution

The fourth proportional to 11,588.87, 15,986.75 and 7,332.76 is: 10,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,588.87 : 15,986.75 = 7,332.76 : x
  2. Step 2: Convert to fraction form
    11,588.87/15,986.75 = 7,332.76/x
  3. Step 3: Cross multiply
    11,588.87x = 15,986.75 × 7,332.76
  4. Step 4: Simplify right side
    11,588.87x = 117,226,902.66
  5. Step 5: Solve for x
    x = 117,226,902.66/11,588.87
  6. Step 6: Final answer
    x = 10,115.48

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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.