Home / 8,831.34-12,187.21-5,054.48

Finding the Fourth Proportional to 8,831.34, 12,187.21 and 5,054.48

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Solution

The fourth proportional to 8,831.34, 12,187.21 and 5,054.48 is: 6,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.34 : 12,187.21 = 5,054.48 : x
  2. Step 2: Convert to fraction form
    8,831.34/12,187.21 = 5,054.48/x
  3. Step 3: Cross multiply
    8,831.34x = 12,187.21 × 5,054.48
  4. Step 4: Simplify right side
    8,831.34x = 61,600,059.36
  5. Step 5: Solve for x
    x = 61,600,059.36/8,831.34
  6. Step 6: Final answer
    x = 6,975.17

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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.