Home / 8,831.18-12,192.38-5,849.57

Finding the Fourth Proportional to 8,831.18, 12,192.38 and 5,849.57

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Solution

The fourth proportional to 8,831.18, 12,192.38 and 5,849.57 is: 8,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.18 : 12,192.38 = 5,849.57 : x
  2. Step 2: Convert to fraction form
    8,831.18/12,192.38 = 5,849.57/x
  3. Step 3: Cross multiply
    8,831.18x = 12,192.38 × 5,849.57
  4. Step 4: Simplify right side
    8,831.18x = 71,320,180.28
  5. Step 5: Solve for x
    x = 71,320,180.28/8,831.18
  6. Step 6: Final answer
    x = 8,075.95

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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.