Home / 8,831.63-12,186.96-5,054.87

Finding the Fourth Proportional to 8,831.63, 12,186.96 and 5,054.87

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Solution

The fourth proportional to 8,831.63, 12,186.96 and 5,054.87 is: 6,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.63 : 12,186.96 = 5,054.87 : x
  2. Step 2: Convert to fraction form
    8,831.63/12,186.96 = 5,054.87/x
  3. Step 3: Cross multiply
    8,831.63x = 12,186.96 × 5,054.87
  4. Step 4: Simplify right side
    8,831.63x = 61,603,510.01
  5. Step 5: Solve for x
    x = 61,603,510.01/8,831.63
  6. Step 6: Final answer
    x = 6,975.33

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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.