Home / 6,713.72-9,265.56-4,061.78

Finding the Fourth Proportional to 6,713.72, 9,265.56 and 4,061.78

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Solution

The fourth proportional to 6,713.72, 9,265.56 and 4,061.78 is: 5,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713.72 : 9,265.56 = 4,061.78 : x
  2. Step 2: Convert to fraction form
    6,713.72/9,265.56 = 4,061.78/x
  3. Step 3: Cross multiply
    6,713.72x = 9,265.56 × 4,061.78
  4. Step 4: Simplify right side
    6,713.72x = 37,634,666.30
  5. Step 5: Solve for x
    x = 37,634,666.30/6,713.72
  6. Step 6: Final answer
    x = 5,605.64

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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.