Home / 7,340.45-11,009.64-2,409.45

Finding the Fourth Proportional to 7,340.45, 11,009.64 and 2,409.45

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Solution

The fourth proportional to 7,340.45, 11,009.64 and 2,409.45 is: 3,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.45 : 11,009.64 = 2,409.45 : x
  2. Step 2: Convert to fraction form
    7,340.45/11,009.64 = 2,409.45/x
  3. Step 3: Cross multiply
    7,340.45x = 11,009.64 × 2,409.45
  4. Step 4: Simplify right side
    7,340.45x = 26,527,177.10
  5. Step 5: Solve for x
    x = 26,527,177.10/7,340.45
  6. Step 6: Final answer
    x = 3,613.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.