Home / 9,165.02-13,749.27-3,159.50

Finding the Fourth Proportional to 9,165.02, 13,749.27 and 3,159.50

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Solution

The fourth proportional to 9,165.02, 13,749.27 and 3,159.50 is: 4,739.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.02 : 13,749.27 = 3,159.50 : x
  2. Step 2: Convert to fraction form
    9,165.02/13,749.27 = 3,159.50/x
  3. Step 3: Cross multiply
    9,165.02x = 13,749.27 × 3,159.50
  4. Step 4: Simplify right side
    9,165.02x = 43,440,818.57
  5. Step 5: Solve for x
    x = 43,440,818.57/9,165.02
  6. Step 6: Final answer
    x = 4,739.85

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.