Home / 7,666.80-10,579.61-4,308.96

Finding the Fourth Proportional to 7,666.80, 10,579.61 and 4,308.96

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Solution

The fourth proportional to 7,666.80, 10,579.61 and 4,308.96 is: 5,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.80 : 10,579.61 = 4,308.96 : x
  2. Step 2: Convert to fraction form
    7,666.80/10,579.61 = 4,308.96/x
  3. Step 3: Cross multiply
    7,666.80x = 10,579.61 × 4,308.96
  4. Step 4: Simplify right side
    7,666.80x = 45,587,122.12
  5. Step 5: Solve for x
    x = 45,587,122.12/7,666.80
  6. Step 6: Final answer
    x = 5,946.04

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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.