Home / 11,908.19-16,434.65-6,873.76

Finding the Fourth Proportional to 11,908.19, 16,434.65 and 6,873.76

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Solution

The fourth proportional to 11,908.19, 16,434.65 and 6,873.76 is: 9,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.19 : 16,434.65 = 6,873.76 : x
  2. Step 2: Convert to fraction form
    11,908.19/16,434.65 = 6,873.76/x
  3. Step 3: Cross multiply
    11,908.19x = 16,434.65 × 6,873.76
  4. Step 4: Simplify right side
    11,908.19x = 112,967,831.29
  5. Step 5: Solve for x
    x = 112,967,831.29/11,908.19
  6. Step 6: Final answer
    x = 9,486.57

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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.