Home / 8,666.08-11,949.19-7,403.29

Finding the Fourth Proportional to 8,666.08, 11,949.19 and 7,403.29

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Solution

The fourth proportional to 8,666.08, 11,949.19 and 7,403.29 is: 10,208.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.08 : 11,949.19 = 7,403.29 : x
  2. Step 2: Convert to fraction form
    8,666.08/11,949.19 = 7,403.29/x
  3. Step 3: Cross multiply
    8,666.08x = 11,949.19 × 7,403.29
  4. Step 4: Simplify right side
    8,666.08x = 88,463,318.84
  5. Step 5: Solve for x
    x = 88,463,318.84/8,666.08
  6. Step 6: Final answer
    x = 10,208.00

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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.