Home / 6,942.48-9,580.96-4,111.48

Finding the Fourth Proportional to 6,942.48, 9,580.96 and 4,111.48

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Solution

The fourth proportional to 6,942.48, 9,580.96 and 4,111.48 is: 5,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.48 : 9,580.96 = 4,111.48 : x
  2. Step 2: Convert to fraction form
    6,942.48/9,580.96 = 4,111.48/x
  3. Step 3: Cross multiply
    6,942.48x = 9,580.96 × 4,111.48
  4. Step 4: Simplify right side
    6,942.48x = 39,391,925.42
  5. Step 5: Solve for x
    x = 39,391,925.42/6,942.48
  6. Step 6: Final answer
    x = 5,674.04

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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.