Home / 8,831.95-12,188.07-5,055.13

Finding the Fourth Proportional to 8,831.95, 12,188.07 and 5,055.13

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Solution

The fourth proportional to 8,831.95, 12,188.07 and 5,055.13 is: 6,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.95 : 12,188.07 = 5,055.13 : x
  2. Step 2: Convert to fraction form
    8,831.95/12,188.07 = 5,055.13/x
  3. Step 3: Cross multiply
    8,831.95x = 12,188.07 × 5,055.13
  4. Step 4: Simplify right side
    8,831.95x = 61,612,278.30
  5. Step 5: Solve for x
    x = 61,612,278.30/8,831.95
  6. Step 6: Final answer
    x = 6,976.07

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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.