Home / 7,109.24-10,661.47-2,364.30

Finding the Fourth Proportional to 7,109.24, 10,661.47 and 2,364.30

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Solution

The fourth proportional to 7,109.24, 10,661.47 and 2,364.30 is: 3,545.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.24 : 10,661.47 = 2,364.30 : x
  2. Step 2: Convert to fraction form
    7,109.24/10,661.47 = 2,364.30/x
  3. Step 3: Cross multiply
    7,109.24x = 10,661.47 × 2,364.30
  4. Step 4: Simplify right side
    7,109.24x = 25,206,901.70
  5. Step 5: Solve for x
    x = 25,206,901.70/7,109.24
  6. Step 6: Final answer
    x = 3,545.66

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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.