Home / 9,666.28-13,339.02-5,474.56

Finding the Fourth Proportional to 9,666.28, 13,339.02 and 5,474.56

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Solution

The fourth proportional to 9,666.28, 13,339.02 and 5,474.56 is: 7,554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666.28 : 13,339.02 = 5,474.56 : x
  2. Step 2: Convert to fraction form
    9,666.28/13,339.02 = 5,474.56/x
  3. Step 3: Cross multiply
    9,666.28x = 13,339.02 × 5,474.56
  4. Step 4: Simplify right side
    9,666.28x = 73,025,265.33
  5. Step 5: Solve for x
    x = 73,025,265.33/9,666.28
  6. Step 6: Final answer
    x = 7,554.64

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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.