Home / 12,184.16-18,277.12-5,165.68

Finding the Fourth Proportional to 12,184.16, 18,277.12 and 5,165.68

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Solution

The fourth proportional to 12,184.16, 18,277.12 and 5,165.68 is: 7,748.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.16 : 18,277.12 = 5,165.68 : x
  2. Step 2: Convert to fraction form
    12,184.16/18,277.12 = 5,165.68/x
  3. Step 3: Cross multiply
    12,184.16x = 18,277.12 × 5,165.68
  4. Step 4: Simplify right side
    12,184.16x = 94,413,753.24
  5. Step 5: Solve for x
    x = 94,413,753.24/12,184.16
  6. Step 6: Final answer
    x = 7,748.89

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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.