Home / 6,938.48-9,575.45-4,107.48

Finding the Fourth Proportional to 6,938.48, 9,575.45 and 4,107.48

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Solution

The fourth proportional to 6,938.48, 9,575.45 and 4,107.48 is: 5,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.48 : 9,575.45 = 4,107.48 : x
  2. Step 2: Convert to fraction form
    6,938.48/9,575.45 = 4,107.48/x
  3. Step 3: Cross multiply
    6,938.48x = 9,575.45 × 4,107.48
  4. Step 4: Simplify right side
    6,938.48x = 39,330,928.32
  5. Step 5: Solve for x
    x = 39,330,928.32/6,938.48
  6. Step 6: Final answer
    x = 5,668.52

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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.