Home / 6,769.78-9,342.24-4,116.70

Finding the Fourth Proportional to 6,769.78, 9,342.24 and 4,116.70

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Solution

The fourth proportional to 6,769.78, 9,342.24 and 4,116.70 is: 5,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,769.78 : 9,342.24 = 4,116.70 : x
  2. Step 2: Convert to fraction form
    6,769.78/9,342.24 = 4,116.70/x
  3. Step 3: Cross multiply
    6,769.78x = 9,342.24 × 4,116.70
  4. Step 4: Simplify right side
    6,769.78x = 38,459,199.41
  5. Step 5: Solve for x
    x = 38,459,199.41/6,769.78
  6. Step 6: Final answer
    x = 5,681.01

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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.