Home / 9,966.24-13,753.56-5,489.94

Finding the Fourth Proportional to 9,966.24, 13,753.56 and 5,489.94

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Solution

The fourth proportional to 9,966.24, 13,753.56 and 5,489.94 is: 7,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.24 : 13,753.56 = 5,489.94 : x
  2. Step 2: Convert to fraction form
    9,966.24/13,753.56 = 5,489.94/x
  3. Step 3: Cross multiply
    9,966.24x = 13,753.56 × 5,489.94
  4. Step 4: Simplify right side
    9,966.24x = 75,506,291.35
  5. Step 5: Solve for x
    x = 75,506,291.35/9,966.24
  6. Step 6: Final answer
    x = 7,576.21

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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.