Home / 8,831.56-12,187.62-4,852.57

Finding the Fourth Proportional to 8,831.56, 12,187.62 and 4,852.57

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Solution

The fourth proportional to 8,831.56, 12,187.62 and 4,852.57 is: 6,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.56 : 12,187.62 = 4,852.57 : x
  2. Step 2: Convert to fraction form
    8,831.56/12,187.62 = 4,852.57/x
  3. Step 3: Cross multiply
    8,831.56x = 12,187.62 × 4,852.57
  4. Step 4: Simplify right side
    8,831.56x = 59,141,279.18
  5. Step 5: Solve for x
    x = 59,141,279.18/8,831.56
  6. Step 6: Final answer
    x = 6,696.58

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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.