Home / 7,923.07-10,929.04-5,234.30

Finding the Fourth Proportional to 7,923.07, 10,929.04 and 5,234.30

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Solution

The fourth proportional to 7,923.07, 10,929.04 and 5,234.30 is: 7,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.07 : 10,929.04 = 5,234.30 : x
  2. Step 2: Convert to fraction form
    7,923.07/10,929.04 = 5,234.30/x
  3. Step 3: Cross multiply
    7,923.07x = 10,929.04 × 5,234.30
  4. Step 4: Simplify right side
    7,923.07x = 57,205,874.07
  5. Step 5: Solve for x
    x = 57,205,874.07/7,923.07
  6. Step 6: Final answer
    x = 7,220.17

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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.