Home / 8,620.97-11,886.50-6,707.34

Finding the Fourth Proportional to 8,620.97, 11,886.50 and 6,707.34

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Solution

The fourth proportional to 8,620.97, 11,886.50 and 6,707.34 is: 9,248.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,620.97 : 11,886.50 = 6,707.34 : x
  2. Step 2: Convert to fraction form
    8,620.97/11,886.50 = 6,707.34/x
  3. Step 3: Cross multiply
    8,620.97x = 11,886.50 × 6,707.34
  4. Step 4: Simplify right side
    8,620.97x = 79,726,763.37
  5. Step 5: Solve for x
    x = 79,726,763.37/8,620.97
  6. Step 6: Final answer
    x = 9,248.01

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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.