Home / 7,339.79-11,009.43-2,075.19

Finding the Fourth Proportional to 7,339.79, 11,009.43 and 2,075.19

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Solution

The fourth proportional to 7,339.79, 11,009.43 and 2,075.19 is: 3,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.79 : 11,009.43 = 2,075.19 : x
  2. Step 2: Convert to fraction form
    7,339.79/11,009.43 = 2,075.19/x
  3. Step 3: Cross multiply
    7,339.79x = 11,009.43 × 2,075.19
  4. Step 4: Simplify right side
    7,339.79x = 22,846,659.04
  5. Step 5: Solve for x
    x = 22,846,659.04/7,339.79
  6. Step 6: Final answer
    x = 3,112.72

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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.