Home / 7,666.12-10,578.25-4,308.39

Finding the Fourth Proportional to 7,666.12, 10,578.25 and 4,308.39

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Solution

The fourth proportional to 7,666.12, 10,578.25 and 4,308.39 is: 5,945.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.12 : 10,578.25 = 4,308.39 : x
  2. Step 2: Convert to fraction form
    7,666.12/10,578.25 = 4,308.39/x
  3. Step 3: Cross multiply
    7,666.12x = 10,578.25 × 4,308.39
  4. Step 4: Simplify right side
    7,666.12x = 45,575,207.67
  5. Step 5: Solve for x
    x = 45,575,207.67/7,666.12
  6. Step 6: Final answer
    x = 5,945.02

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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.