Home / 9,816.34-13,546.66-5,340.11

Finding the Fourth Proportional to 9,816.34, 13,546.66 and 5,340.11

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Solution

The fourth proportional to 9,816.34, 13,546.66 and 5,340.11 is: 7,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.34 : 13,546.66 = 5,340.11 : x
  2. Step 2: Convert to fraction form
    9,816.34/13,546.66 = 5,340.11/x
  3. Step 3: Cross multiply
    9,816.34x = 13,546.66 × 5,340.11
  4. Step 4: Simplify right side
    9,816.34x = 72,340,654.53
  5. Step 5: Solve for x
    x = 72,340,654.53/9,816.34
  6. Step 6: Final answer
    x = 7,369.41

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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.