Home / 8,907.79-13,359.56-2,666.13

Finding the Fourth Proportional to 8,907.79, 13,359.56 and 2,666.13

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Solution

The fourth proportional to 8,907.79, 13,359.56 and 2,666.13 is: 3,998.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.79 : 13,359.56 = 2,666.13 : x
  2. Step 2: Convert to fraction form
    8,907.79/13,359.56 = 2,666.13/x
  3. Step 3: Cross multiply
    8,907.79x = 13,359.56 × 2,666.13
  4. Step 4: Simplify right side
    8,907.79x = 35,618,294.99
  5. Step 5: Solve for x
    x = 35,618,294.99/8,907.79
  6. Step 6: Final answer
    x = 3,998.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.