Home / 7,923.17-10,929.20-5,089.59

Finding the Fourth Proportional to 7,923.17, 10,929.20 and 5,089.59

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Solution

The fourth proportional to 7,923.17, 10,929.20 and 5,089.59 is: 7,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.17 : 10,929.20 = 5,089.59 : x
  2. Step 2: Convert to fraction form
    7,923.17/10,929.20 = 5,089.59/x
  3. Step 3: Cross multiply
    7,923.17x = 10,929.20 × 5,089.59
  4. Step 4: Simplify right side
    7,923.17x = 55,625,121.58
  5. Step 5: Solve for x
    x = 55,625,121.58/7,923.17
  6. Step 6: Final answer
    x = 7,020.56

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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.