Home / 12,369.12-18,556.88-4,973.84

Finding the Fourth Proportional to 12,369.12, 18,556.88 and 4,973.84

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Solution

The fourth proportional to 12,369.12, 18,556.88 and 4,973.84 is: 7,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.12 : 18,556.88 = 4,973.84 : x
  2. Step 2: Convert to fraction form
    12,369.12/18,556.88 = 4,973.84/x
  3. Step 3: Cross multiply
    12,369.12x = 18,556.88 × 4,973.84
  4. Step 4: Simplify right side
    12,369.12x = 92,298,952.02
  5. Step 5: Solve for x
    x = 92,298,952.02/12,369.12
  6. Step 6: Final answer
    x = 7,462.05

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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.