Home / 9,309.07-12,849.33-5,532.85

Finding the Fourth Proportional to 9,309.07, 12,849.33 and 5,532.85

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Solution

The fourth proportional to 9,309.07, 12,849.33 and 5,532.85 is: 7,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.07 : 12,849.33 = 5,532.85 : x
  2. Step 2: Convert to fraction form
    9,309.07/12,849.33 = 5,532.85/x
  3. Step 3: Cross multiply
    9,309.07x = 12,849.33 × 5,532.85
  4. Step 4: Simplify right side
    9,309.07x = 71,093,415.49
  5. Step 5: Solve for x
    x = 71,093,415.49/9,309.07
  6. Step 6: Final answer
    x = 7,637.01

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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.