Home / 9,491.62-13,098.64-5,299.88

Finding the Fourth Proportional to 9,491.62, 13,098.64 and 5,299.88

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Solution

The fourth proportional to 9,491.62, 13,098.64 and 5,299.88 is: 7,313.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.62 : 13,098.64 = 5,299.88 : x
  2. Step 2: Convert to fraction form
    9,491.62/13,098.64 = 5,299.88/x
  3. Step 3: Cross multiply
    9,491.62x = 13,098.64 × 5,299.88
  4. Step 4: Simplify right side
    9,491.62x = 69,421,220.16
  5. Step 5: Solve for x
    x = 69,421,220.16/9,491.62
  6. Step 6: Final answer
    x = 7,313.95

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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.