Home / 6,904.38-9,528.32-4,111.50

Finding the Fourth Proportional to 6,904.38, 9,528.32 and 4,111.50

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Solution

The fourth proportional to 6,904.38, 9,528.32 and 4,111.50 is: 5,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.38 : 9,528.32 = 4,111.50 : x
  2. Step 2: Convert to fraction form
    6,904.38/9,528.32 = 4,111.50/x
  3. Step 3: Cross multiply
    6,904.38x = 9,528.32 × 4,111.50
  4. Step 4: Simplify right side
    6,904.38x = 39,175,687.68
  5. Step 5: Solve for x
    x = 39,175,687.68/6,904.38
  6. Step 6: Final answer
    x = 5,674.03

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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.