Home / 13,099.20-19,637.28-6,182.08

Finding the Fourth Proportional to 13,099.20, 19,637.28 and 6,182.08

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Solution

The fourth proportional to 13,099.20, 19,637.28 and 6,182.08 is: 9,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.20 : 19,637.28 = 6,182.08 : x
  2. Step 2: Convert to fraction form
    13,099.20/19,637.28 = 6,182.08/x
  3. Step 3: Cross multiply
    13,099.20x = 19,637.28 × 6,182.08
  4. Step 4: Simplify right side
    13,099.20x = 121,399,235.94
  5. Step 5: Solve for x
    x = 121,399,235.94/13,099.20
  6. Step 6: Final answer
    x = 9,267.68

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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.