Home / 11,583.20-15,980.50-7,606.52

Finding the Fourth Proportional to 11,583.20, 15,980.50 and 7,606.52

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Solution

The fourth proportional to 11,583.20, 15,980.50 and 7,606.52 is: 10,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.20 : 15,980.50 = 7,606.52 : x
  2. Step 2: Convert to fraction form
    11,583.20/15,980.50 = 7,606.52/x
  3. Step 3: Cross multiply
    11,583.20x = 15,980.50 × 7,606.52
  4. Step 4: Simplify right side
    11,583.20x = 121,555,992.86
  5. Step 5: Solve for x
    x = 121,555,992.86/11,583.20
  6. Step 6: Final answer
    x = 10,494.16

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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.