Home / 6,876.96-9,486.24-4,186.08

Finding the Fourth Proportional to 6,876.96, 9,486.24 and 4,186.08

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Solution

The fourth proportional to 6,876.96, 9,486.24 and 4,186.08 is: 5,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.96 : 9,486.24 = 4,186.08 : x
  2. Step 2: Convert to fraction form
    6,876.96/9,486.24 = 4,186.08/x
  3. Step 3: Cross multiply
    6,876.96x = 9,486.24 × 4,186.08
  4. Step 4: Simplify right side
    6,876.96x = 39,710,159.54
  5. Step 5: Solve for x
    x = 39,710,159.54/6,876.96
  6. Step 6: Final answer
    x = 5,774.38

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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.