Home / 9,816.03-13,546.18-5,339.81

Finding the Fourth Proportional to 9,816.03, 13,546.18 and 5,339.81

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Solution

The fourth proportional to 9,816.03, 13,546.18 and 5,339.81 is: 7,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.03 : 13,546.18 = 5,339.81 : x
  2. Step 2: Convert to fraction form
    9,816.03/13,546.18 = 5,339.81/x
  3. Step 3: Cross multiply
    9,816.03x = 13,546.18 × 5,339.81
  4. Step 4: Simplify right side
    9,816.03x = 72,334,027.43
  5. Step 5: Solve for x
    x = 72,334,027.43/9,816.03
  6. Step 6: Final answer
    x = 7,368.97

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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.