Home / 7,923.54-11,897.60-7,572.95

Finding the Fourth Proportional to 7,923.54, 11,897.60 and 7,572.95

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Solution

The fourth proportional to 7,923.54, 11,897.60 and 7,572.95 is: 11,371.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.54 : 11,897.60 = 7,572.95 : x
  2. Step 2: Convert to fraction form
    7,923.54/11,897.60 = 7,572.95/x
  3. Step 3: Cross multiply
    7,923.54x = 11,897.60 × 7,572.95
  4. Step 4: Simplify right side
    7,923.54x = 90,099,929.92
  5. Step 5: Solve for x
    x = 90,099,929.92/7,923.54
  6. Step 6: Final answer
    x = 11,371.17

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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.