Home / 8,486.89-11,713.31-4,950.10

Finding the Fourth Proportional to 8,486.89, 11,713.31 and 4,950.10

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Solution

The fourth proportional to 8,486.89, 11,713.31 and 4,950.10 is: 6,831.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.89 : 11,713.31 = 4,950.10 : x
  2. Step 2: Convert to fraction form
    8,486.89/11,713.31 = 4,950.10/x
  3. Step 3: Cross multiply
    8,486.89x = 11,713.31 × 4,950.10
  4. Step 4: Simplify right side
    8,486.89x = 57,982,064.29
  5. Step 5: Solve for x
    x = 57,982,064.29/8,486.89
  6. Step 6: Final answer
    x = 6,831.96

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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.