Home / 9,816.46-13,546.88-5,340.30

Finding the Fourth Proportional to 9,816.46, 13,546.88 and 5,340.30

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Solution

The fourth proportional to 9,816.46, 13,546.88 and 5,340.30 is: 7,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.46 : 13,546.88 = 5,340.30 : x
  2. Step 2: Convert to fraction form
    9,816.46/13,546.88 = 5,340.30/x
  3. Step 3: Cross multiply
    9,816.46x = 13,546.88 × 5,340.30
  4. Step 4: Simplify right side
    9,816.46x = 72,344,403.26
  5. Step 5: Solve for x
    x = 72,344,403.26/9,816.46
  6. Step 6: Final answer
    x = 7,369.70

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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.