Home / 8,460.15-11,675.09-4,923.28

Finding the Fourth Proportional to 8,460.15, 11,675.09 and 4,923.28

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Solution

The fourth proportional to 8,460.15, 11,675.09 and 4,923.28 is: 6,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.15 : 11,675.09 = 4,923.28 : x
  2. Step 2: Convert to fraction form
    8,460.15/11,675.09 = 4,923.28/x
  3. Step 3: Cross multiply
    8,460.15x = 11,675.09 × 4,923.28
  4. Step 4: Simplify right side
    8,460.15x = 57,479,736.30
  5. Step 5: Solve for x
    x = 57,479,736.30/8,460.15
  6. Step 6: Final answer
    x = 6,794.18

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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.