Home / 8,831.16-12,187.16-4,852.20

Finding the Fourth Proportional to 8,831.16, 12,187.16 and 4,852.20

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Solution

The fourth proportional to 8,831.16, 12,187.16 and 4,852.20 is: 6,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.16 : 12,187.16 = 4,852.20 : x
  2. Step 2: Convert to fraction form
    8,831.16/12,187.16 = 4,852.20/x
  3. Step 3: Cross multiply
    8,831.16x = 12,187.16 × 4,852.20
  4. Step 4: Simplify right side
    8,831.16x = 59,134,537.75
  5. Step 5: Solve for x
    x = 59,134,537.75/8,831.16
  6. Step 6: Final answer
    x = 6,696.12

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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.