Home / 7,424.13-11,130.93-3,723.69

Finding the Fourth Proportional to 7,424.13, 11,130.93 and 3,723.69

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Solution

The fourth proportional to 7,424.13, 11,130.93 and 3,723.69 is: 5,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.13 : 11,130.93 = 3,723.69 : x
  2. Step 2: Convert to fraction form
    7,424.13/11,130.93 = 3,723.69/x
  3. Step 3: Cross multiply
    7,424.13x = 11,130.93 × 3,723.69
  4. Step 4: Simplify right side
    7,424.13x = 41,448,132.73
  5. Step 5: Solve for x
    x = 41,448,132.73/7,424.13
  6. Step 6: Final answer
    x = 5,582.89

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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.