Home / 9,666.24-13,334.88-5,684.80

Finding the Fourth Proportional to 9,666.24, 13,334.88 and 5,684.80

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Solution

The fourth proportional to 9,666.24, 13,334.88 and 5,684.80 is: 7,842.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666.24 : 13,334.88 = 5,684.80 : x
  2. Step 2: Convert to fraction form
    9,666.24/13,334.88 = 5,684.80/x
  3. Step 3: Cross multiply
    9,666.24x = 13,334.88 × 5,684.80
  4. Step 4: Simplify right side
    9,666.24x = 75,806,125.82
  5. Step 5: Solve for x
    x = 75,806,125.82/9,666.24
  6. Step 6: Final answer
    x = 7,842.36

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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.