Home / 12,184.11-16,817.59-7,148.54

Finding the Fourth Proportional to 12,184.11, 16,817.59 and 7,148.54

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Solution

The fourth proportional to 12,184.11, 16,817.59 and 7,148.54 is: 9,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.11 : 16,817.59 = 7,148.54 : x
  2. Step 2: Convert to fraction form
    12,184.11/16,817.59 = 7,148.54/x
  3. Step 3: Cross multiply
    12,184.11x = 16,817.59 × 7,148.54
  4. Step 4: Simplify right side
    12,184.11x = 120,221,214.82
  5. Step 5: Solve for x
    x = 120,221,214.82/12,184.11
  6. Step 6: Final answer
    x = 9,867.05

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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.